NewEgg has the follow new offers.

$40 off HannsG HL231HPB Black 23in 5ms LED Backlight LCD Monitor $150 w/ code: EMCYTZT215 (exp 10/31)
$7 off BELKIN BE108200-06 6 feet 8 Outlets Surge Protector $13 w/ code: EMCYTZT213 (exp 10/31)
$10 off Soleus Air HM2-15R-32 Micathermic Flat Panel Heater $60 w/ code: EMCYTZT212 (exp 10/31)
$10 off HITACHI Travelstar (0A57915) 500GB Internal Notebook Hard Drive $55 w/ code: EMCYTZT211 (exp 10/31)
$40 off SeaSonic X750 Gold 750W ATX12V Power Supply $130 w/ code: EMCYTZT210 (exp 10/31)
$80 off HP Pavilion P6540 desktop $600 w/ code: EMCYTZT214 (exp 10/31)

NewEgg has the HP Pavilion P6540 desktop w/ Phenom II X4 830, 8GB, 1TB, 802.11n Wireless, DVD+-RW, 15-in-1 Card reader, Windows 7 Home Premium 64-bit for only $680 - $80 off via coupon code: EMCYTZT214 (exp 10/31) = $600 w/ free shipping. Tax in CA, NJ, TN.

NewEgg has the follow new offers.

Desktop

Extra $30 off lenovo IdeaCentre Intel Core i3 540(3.06GHz) 4GB DDR3 500GB Windows 7 Home Premium 64-bit $499.99 w/ code: EMCYXYX45 (exp 9/15)
Extra $40 off HP Pavilion P6540 Phenom II X4 830 8GB 1TB Windows 7 Home Premium 64-bit $609.99 w/ code: EMCYXYX44 (exp 9/15)

Hard Drive

$12 off Western Digital Caviar Blue 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s HDD $37.99 w/ code: EMCYXYX66 (exp 9/15)
$10 off Western Digital Caviar Green 1TB 5400 RPM 64MB Cache SATA 3.0Gb/s HDD $59.99 w/ code: EMCYXYX65 (exp 9/15)
Extra $20 off iomega eGo 320GB USB 2.0 Midnight Blue Portable Hard Drive with Protection Suite 34892 $49.99 w/ code: EMCYXYX29 (exp 9/15)
Extra $10 off iomega Prestige 1TB USB 2.0 Compact Portable External Hard Drive 34866 $109.99 w/ code: EMCYXYX28 (exp 9/15)
$7 off Western Digital Scorpio Blue 320GB 8MB Cache 2.5in SATA 3.0Gb/s Notebook HDD $42.99 w/ code: EMCYXYX27 (exp 9/15)
$10 off Seagate Momentus 5400.6 500GB 8MB Cache 2.5in SATA 3.0Gb/s Notebook HDD $49.99 w/ code: EMCYXYX26 (exp 9/15)
Patriot Xporter XT Boost 16GB Flash Drive (USB 2.0 Portable) Model PEF16GUSB $24.99 After $15.00 MIR plus free shipping w/ code: EMCYXYX39 (exp 9/15)

Computer Case & Power Supply.

Extra $5 off SilverStone PS05-B Black Steel ATX Mid Tower Tool-less Installation Design Computer Case $24.99 After $10.00 MIR w/ code: EMCYXYX52 (exp 9/15)
Extra $10 off Corsair 650W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS Certified Power Supply $49.99 After $30.00 MIR w/ code: EMCYXYX64 (exp 9/15)
Extra $5 off hec HP585D RETAIL 585W ATX12V Power Supply - Power Cord Included $24.99 w/ code: EMCYXYX54 (exp 9/15)
Extra $12 off Antec Basiq BP350 350W ATX12V v2.01 Power Supply $20.99 w/ code: EMCYXYX53 (exp 9/15)
Pixxo CX-5C59 Black ATX Mid Tower Computer Case 500W Power Supply $29.99 free shipping w/ code: EMCYXYX49 (exp 9/15)
APEX MI-008 Black Steel Mini-ITX Tower Computer Case 250W Power Supply $38.99 free shipping w/ code: EMCYXYX48 (exp 9/15)

CPU, Memory & Motherboard

$8 off Intel Pentium Dual-Core E6500 Wolfdale 2.93GHz LGA 775 65W Dual-Core Processor $71.99 w/ code: EMCYXYX55 (exp 9/15)
$5 off Kingston 2GB 200-Pin DDR2 SO-DIMM DDR2 667 (PC2 5300) Laptop Memory $38.99 w/ code: EMCYXYX43 (exp 9/15)
$20 off G.SKILL 8GB (2 x 4GB) 204-Pin DDR3 SO-DIMM DDR3 1066 (PC3 8500) Laptop Memory $159.99 w/ code: EMCYXYX42 (exp 9/15)
$20 off Corsair XMS3 8GB (4 x 2GB) DDR3 1600 (PC3 12800) Desktop Memory $179.99 w/ code: EMCYXYX59 (exp 9/15)
Extra $10 off Corsair XMS3 6GB (3 x 2GB) DDR3 1600 (PC3 12800) Desktop Memory $124.99 After $10.00 MIR w/ code: EMCYXYX58 (exp 9/15)
Extra $5 off Kingston HyperX T1 Series 4GB (2 x 2GB) DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory $85.99 w/ code: EMCYXYX63 (exp 9/15)
$10 off G.SKILL Ripjaws Series 4GB DDR3 1333 (PC3 10666) Desktop Memory $79.99 w/ code: EMCYXYX62 (exp 9/15)
$10 off Intel BOXDP55WB LGA 1156 Intel P55 Micro ATX Intel Motherboard $89.99 w/ code: EMCYXYX57 (exp 9/15)
$10 off Intel BOXDH55TC LGA 1156 Intel H55 HDMI Micro ATX Intel Motherboard $79.99 w/ code: EMCYXYX56 (exp 9/15)

Accessories

Extra $5 off Rosewill - HDMI to HDMI Cable - 6 FEET $4.99 w/ code: EMCYXYX38 (exp 9/15)
Extra $10 off Rosewill Black 10in-16in Notebook BackPack Model RBF-540L $29.99 w/ code: EMCYXYX37 (exp 9/15)
$10 off Rosewill RHM-556U USB Connector Circumaural Headset $9.99 w/ code: EMCYXYX36 (exp 9/15)
$5 off Rosewill IEEE 802.11b/g USB 2.0 Wireless Adapter $9.99 w/ code: EMCYXYX35 (exp 9/15)
Logitech C910 USB 2.0 1080p HD Pro Webcam $64.99 After $15.00 MIR plus free shipping w/ code: EMCYXYX34 (exp 9/15)

Monitor

Extra $20 off ASUS 27in 2ms(GTG) HDMI Widescreen LCD Monitor w/Display Port & Speakers $309.99 w/ code: EMCYXYX25 (exp 9/15)
Extra $20 off Samsung 23in 2ms(GTG) Widescreen LCD Monitor w/ code: EMCYXYX23 (exp 9/15)
Extra $20 off LG 21.5in 5ms Widescreen LCD Monitor $149.99 w/ code: EMCYXYX24 (exp 9/15)

Others

Extra $15 off Logitech Z-5500 505 Watts 5.1 Digital Speaker System $275.99 After $50.00 MIR w/ code: EMCYXYX33 (exp 9/15)
$6 off Logitech MK520 USB RF Wireless Ergonomic Desktop $53.99 w/ code: EMCYXYX32 (exp 9/15)
Extra $20 off Microsoft Visual Studio Professional 2010 Upgrade from Visual Studio Standard $267.99 w/ code: EMCYXYX47 (exp 9/15)
Extra $10 off Rosewill R2-JBOD Aluminum 3.5in USB 2.0 DUAL-BAY External Enclosure $34.99 w/ code: EMCYXYX22 (exp 9/15)
Extra $10 off Canon PIXMA MP640 Wireless InkJet MFC / All-In-One Color Printer $99.99 w/ code: EMCYXYX46 (exp 9/15)

NewEgg has the HP Pavilion P6540 desktop w/ Phenom II X4 830, 8GB, 1TB, 802.11n Wireless, DVD+-RW, 15-in-1 Card reader, Windows 7 Home Premium 64-bit for only $650 - $40 off via coupon code: EMCYXYX44 = $610. $10 shipping. Tax in CA, NJ, TN.