Dell Home has the HDTV and Monitor on sale.

$370 off LG 55-inch 55LK520 1080p LCD HDTV $1129.99 w/ code: Z8R8R26S8G6X39 (exp 5/31)
$235.99 off Dual Monitor Qty 2 Dell UltraSharp U2412M 24-inch Widescreen Monitor Quantity 2 with 3-Year Warranty and Array Table Stand $729 w/ code: 04XVH98JG9QBWj (exp 5/31)

Dell Home has the LG 55LK520 55in 1080p LCD HDTV for only $1499.99 - $400 off - $150 off via coupon code: HDZ?9$Z848VGTW (exp 1/23) + $0 shipping = $949.99 shipped.

1920x1080, 120Hz, 150000:1 dynamic contrast ratio, 2.4ms, 3 HDMI inputs, USB

Dell Home has the Up to $150 off LG HDTV w/ coupon.

additional $60 off the LG 42-inch 42PT350 720p Plasma HDTV $439.99 w/ code: $T7H3P63VS8FFG (exp 1/26)
additional $60 off the LG 50-inch 50PT350 720p Plasma HDTV $539.99 w/ code: 3VWR?HVTZ?8JV6 (exp 1/26)
additional $20 off the LG 32-inch 32LK330 720p LCD HDTV $309.99 w/ code: 7?RF67QZJTBG3H (exp 1/26)
additional $70 off the LG 42-inch 42LK450 1080p LCD HDTV $509.99 w/ code: GZ7DQM1TCT93SG (exp 1/26)
additional $150 off the LG 55-inch 55LK520 1080p LCD HDTV $949.99 w/ code: HDZ?9$Z848VGTW (exp 1/26)

Dell Home has the Up to $200 off LG HDTV w/ coupon.

additional $50 off the LG 42-inch 42PT350 720p Plasma HDTV $449.99 w/ code: TB88VG97WQBKLT (exp 1/13)
additional $20 off the LG 32-inch 32LK330 720p LCD HDTV $339.99 w/ code: C98KZ9SG3GX2D0 (exp 1/13)
additional $80 off the LG 42-inch 42LK450 1080p LCD HDTV $549.99 w/ code: XD?M?4R93V8FWZ (exp 1/13)
additional $200 off the LG 55-inch 55LK520 1080p LCD HDTV $1099.99 w/ code: 4SNLBNP?0F0$9D (exp 1/13)

NewEgg has the Holiday Bargain Hunter on sale

20% off all Delonghi Kitchen Products w/ code: EMCYTZT1006 (exp 1/1)
20% off all Mens Shavers & Trimmers w/ code: EMCYTZT1004 (exp 1/1)
$12 off Pre-order: Soul Calibur V Xbox 360 Game namco $47.99 w/ code: EMCYTZT1013 (exp 1/1)
Extra $30 off Rosewill Shine-View RDCB-11001 Black DSLR Camera and 15.6in Notebook Backpack $34.99 w/ code: EMCYTZT1012 (exp 1/1)
Extra $21 off Logitech Z906 500W 5.1 Speakers $309.99 w/ code: EMCYTZT1010 (exp 1/1)
$250 off Pioneer VSX-1021-K 7.1-Channel A/V Receiver $299.99 w/ code: EMCYTZT1007 (exp 1/1)
Extra $13 off SteamFast SF-141 Steam Mop Blue $26.99 w/ code: EMCYTZT1005 (exp 1/1)
Extra $17 off Rosewill RCI-401MS 400W DC To AC Power Inverter with one 2.1A USB Port $22.99 w/ code: EMCYTZT1003 (exp 1/1)
Extra $100 off LG 32in Class (31.5in Diag.) 1080p 60Hz LCD HDTV 32LK450 w/ code: EMCYTZT1009 (exp 12/31)
Extra $100 off LG 55in Class (54.6in Diag.) 1080p 120Hz LCD HDTV 55LK520 w/ code: EMCYTZT1008 (exp 12/31)

NewEgg has the Weekly Deals on sale.

Home

Extra $10 off TATUNG TRC-6UD White 5.5 Cup Electronic Rice Cooker $19.99 w/ code: EMCKEKG75 (exp 5/9)
Extra $30 off TATUNG TICT-1500W Induction Cook Top $59.99 w/ code: EMCKEKG74 (exp 5/9)
$15 off SteamFast SF-142 Steam Mop White $34.99 w/ code: EMCKEKG73 (exp 5/9)
$10 off HITACHI HV250R Magic Wand Massager $39.99 w/ code: EMCKEKG72 (exp 5/9)

HDTV & Monitor

Extra $150 off LG 55in Class (54.6in Diag.) 1080p 120Hz LCD HDTV 55LK520 w/ code: EMCKEKG64 (exp 5/9)
Extra $75 off Toshiba 32in 720p 60Hz LED-LCD HDTV 32SL400U $349 w/ code: EMCKEKG63 (exp 5/9)
Extra $70 off Auria 40in 1080p 60Hz LCD HDTV EQ4088p $379.99 w/ code: EMCKEKG54 (exp 5/9)
Extra $30 off Samsung PX2370 23in 2ms Full HD LED BackLight LCD Monitor w/ code: EMCKEKG45 (exp 5/9)
Extra $10 off Asus VE248H Black 24in 1920X1080 2ms Full HD HDMI LED Backlight LCD Monitor w/Speakers 250 cd/m2 10,000,000:1 $189.99 w/ code: EMCKEKG44 (exp 5/9)

Computer & accessories

Extra $10 off Acer AspireRevo Nettop Intel Atom D525(1.80GHz) Desktop PC, 2GB Memory, 250GB HDD $334.99 w/ code: EMCKEKG56 (exp 5/9)
Extra $20 off MSI Intel Core i7 2630QM(2.00GHz) Notebook, 8GB Memory, 1TB HDD w/ code: EMCKEKG55 (exp 5/9)
Extra $10 off Rosewill 10.2in / 11.2in Netbook Sleeves with Wireless Mouse and Ext Slim DVD Burner $39.99 w/ code: EMCKEKG58 (exp 5/9)
Extra $3.5 off Logisys Computer Blue LED Laptop Cooling Stand Model NP2000BK $26.49 w/ code: EMCKEKG57 (exp 5/9)
$11 off Rosewill RCR-IM5001 USB2.0 75 in 1 internal Card Reader $13.99 w/ code: EMCKEKG52 (exp 5/9)
Extra $25 off Creative Fatal1ty Professional Series Gaming Headset MKII $44.99 w/ code: EMCKEKG48 (exp 5/9)
$5 off Rosewill RNX-N300 IEEE 802.11b/g/n Wireless-N 2.0 PCI (1T2R) $19.99 w/ code: EMCKEKG47 (exp 5/9)

Computer Case & Power Supply

Extra $10 off Antec Twelve Hundred V3 Black Steel ATX Full Tower Computer Case $129.99 After $20.00 MIR w/ code: EMCKEKG39 (exp 5/9)
Extra $20 off IN WIN Dragon Rider Black 1.0 - 0.8mm SECC Steel ATX Full Tower Computer Case $99.99 After $20.00 MIR w/ code: EMCKEKG38 (exp 5/9)
Extra $10 off Rosewill Green Series RG630-S12 630W Continuous @40°C,80 PLUS Certified Power Supply $49.99 w/ code: EMCKEKG37 (exp 5/9)
Extra $20 off Antec EarthWatts EA-500D Green 500W 80 PLUS BRONZE Certified Power Supply $49.99 w/ code: EMCKEKG84 (exp 5/9)

CPU / Memory

$10 off Intel Pentium Dual-Core E6500 Wolfdale 2.93GHz LGA 775 65W Dual-Core Processor $69.99 w/ code: EMCKEKG36 (exp 5/9)
$5 off AMD Athlon II X3 450 Rana 3.2GHz Socket AM3 95W Triple-Core Desktop Processor $74.99 w/ code: EMCKEKG35 (exp 5/9)
$10 off AMD Phenom II X4 955 Black Edition Deneb 3.2GHz 4 x 512KB L2 Cache 6MB L3 Cache Socket AM3 125W Quad-Core Processor HDZ955FBGMBOX $129.99 w/ code: EMCKEKG22 (exp 5/9)
$15 off Intel Core i7-2600 Sandy Bridge 3.4GHz (3.8GHz Turbo Boost) LGA 1155 95W Quad-Core Desktop Processor $284.99 w/ code: EMCKEKG34 (exp 5/9)
Extra $3 off CORSAIR XMS2 4GB (2 x 2GB) DDR2 800 (PC2 6400) Desktop Memory $44.99 After $20.00 MIR w/ code: EMCKEKG33 (exp 5/9)
$20 off G.SKILL Ripjaws X Series 8GB (2 x 4GB) DDR3 1333 (PC3 10666) Desktop Memory $84.99 w/ code: EMCKEKG32 (exp 5/9)
$10 off G.SKILL Ripjaws X Series 4GB (2 x 2GB) DDR3 1600 (PC3 12800) Desktop Memory $39.99 w/ code: EMCKEKG29 (exp 5/9)
Extra $5 off CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model CMZ8GX3M2A1600C9 $89.99 w/ code: EMCKEKG24 (exp 5/9)

Hard Drive

$25 off Intel 320 Series SSDSA2CW160G3K5 2.5in 160GB SATA II MLC Internal Solid State Drive $294.99 w/ code: EMCKEKG27 (exp 5/9)
Extra $7 off HITACHI 0J11563 750GB 5400 RPM SATA 3.0Gb/s Notebook Hard Drive $72.99 w/ code: EMCKEKG83 (exp 5/9)
Extra $20 off Western Digital Caviar Green WD30EZRSDTL 3TB 64MB Cache SATA 3.0Gb/s HDD $159.99 w/ code: EMCKEKG26 (exp 5/9)
Extra $10 off Western Digital Caviar Black WD2002FAEX 2TB 7200 RPM 64MB Cache SATA 6.0Gb/s HDD $149.99 w/ code: EMCKEKG25 (exp 5/9)
$5 off Western Digital Caviar Blue WD10EALX 1TB 7200 RPM 32MB Cache SATA 6.0Gb/s 3.5in Internal Hard Drive $59.99 w/ code: EMCKEKG23 (exp 5/9)
Extra $10 off Western Digital Elements 1TB USB 2.0 Desktop External Hard Drive $59.99 w/ code: EMCKEKG46 (exp 5/9)

Others

$10 off Motorstorm: Apocalypse Playstation3 Game SONY $49.99 w/ code: EMCKEKG69 (exp 5/9)
Extra $20 off BOSS AUDIO 1-DIN DVD Receiver w/ 7in Touchscreen & Bluetooth Model BV9978B $159.99 w/ code: EMCKEKG68 (exp 5/9)
Extra $60 off GARMIN nüvi 1350 LMT 4.3in GPS Navigation w/Lifetime Map & Traffic Updates $139.99 w/ code: EMCKEKG67 (exp 5/9)
Extra $30 off Archos - 101 Internet Tablet - 8GB Running Google ANDROID + Wi-Fi (501590) $264 w/ code: EMCKEKG66 (exp 5/9)
Extra $40 off CASIO Green Slim XJ-A235 WXGA 1280x800 2000 Lumens DLP Projector $709.99 w/ code: EMCKEKG65 (exp 5/9)
Extra $65 off YAMAHA RX-V867 7.2-Channel Digital Network Home Theater Receiver $464.99 w/ code: EMCKEKG62 (exp 5/9)
Extra $10 off Rosewill-Pellucid HD Series High Speed Swivel HDMI Cable with Ethernet (25 FEET) $19.99 w/ code: EMCKEKG59 (exp 5/9)
Extra $50 off Polk Audio Monitor70 Series II Floorstanding Loudspeaker (Cherry) Each $169.99 w/ code: EMCKEKG53 (exp 5/9)
Extra $5 off Rosewill RTC-TN360 Black Cartridge $22.99 w/ code: EMCKEKG49 (exp 5/9)
Extra $20 off Cavalry EN-CADA4B-CFI eSATA RAID 0/1/10/5/JBOD 4-Bay Disk Array Tower w/ eSATA Card Bundle $99.99 w/ code: EMCKEKG43 (exp 5/9)
Rosewill RTK-015 15 Piece Standard Computer Tool Kit $9.99 free shipping w/ code: EMCKEKG82 (exp 5/9)
Extra $10 off Sunforce 86115 Solar Garden Lights - 10 Lights Value Pack $29.99 w/ code: EMCKEKG79 (exp 5/9)
Extra $5 off MOTOROLA T505 Bluetooth In-Car Speakerphone Handsfree Car Kit $48.99 w/ code: EMCKEKG78 (exp 5/9)
$50 off Keurig B70 Black Platinum Brewing System $149.95 w/ code: EMCKEKG77 (exp 5/9)
Extra $20 off Norelco 8240XL Mens Shavers $69.99 w/ code: EMCKEKG76 (exp 5/9)