eWiz has the Amd Phenom Ii X2 Processor 550 Am3(black Edition), Retail for only $98.99 - 10% off via coupon code: Shamrock10 + $0 shipping = $89 shipped.

3.1GHz, 4000 MHz, 45nm SOI, Socket AM3, 80W.

Mwave has the Amd Phenom Ii X2 Dual Core 550 (hdz550wfgibox) 3.1ghz Black Edition Processor W/7mb Cache 80w 64-bit Socket Am3 Retail Boxed W/ Cooling Fan (3 Years Warranty) for only $90 + shipping.

NewEgg has the AMD Phenom II X2 550 Callisto 3.1GHz Dual-Core CPU + GIGABYTE AM3 770 ATX AMD Motherboard for only $145 + $10 rebate (exp 11/30) + $7 shipping = $142 shipped after rebate. Tax in CA, NJ, TN.

Newegg has some CPU + motherboard combo on sale at great price. Combine it together w/ the "free HD 4350 video card w/ select Motherboard purchase" offer (exp 11/30). Click on the combo link and add to cart to see all products.

Combo 1: $172 + $8 shipping

AMD Phenom II X2 550 Black Edition Callisto 3.1GHz 2 x 512KB L2 Cache 6MB L3 Cache Socket AM3 80W Dual-Core Processor - Retail priced at $102 [xPricer review]

BIOSTAR TFORCE TA790GX 128M AM3/AM2+/AM2 AMD 790GX HDMI ATX AMD Motherboard - Retail priced at $110 [xPricer review]

free SAPPHIRE 100264HDMI Radeon HD 4350 512MB 64-bit GDDR2 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Low Profile Ready Video Card - Retail priced at $37

Combo 2: $165 + $8 shipping

AMD Phenom 9850 2.5GHz 4 x 512KB L2 Cache 2MB L3 Cache Socket AM2+ 125W Quad-Core Processor - OEM priced at $100 [xPricer review]

BIOSTAR TFORCE TA790GX 128M AM3/AM2+/AM2 AMD 790GX HDMI ATX AMD Motherboard - Retail for only $109.99 [xPricer review]

free SAPPHIRE 100264HDMI Radeon HD 4350 512MB 64-bit GDDR2 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Low Profile Ready Video Card - Retail priced at $37

NewEgg has the AMD Phenom II X2 550 Black Edition Callisto 3.1GHz 2 x 512KB L2 Cache 6MB L3 Cache Socket AM3 80W Dual-Core Processor - Retail for only $100 + $0 shipping = $100 shipped. Tax in CA, NJ, TN.

GIGABYTE GA-MA785GM-US2H AM3/AM2+/AM2 AMD 785G HDMI Micro ATX AMD Motherboard for $80 - $30 combo discount via this Combo Deal

NewEgg has the AMD Phenom II X2 550 Black Edition Callisto 3.1GHz 2 x 512KB L2 Cache 6MB L3 Cache Socket AM3 80W Dual-Core Processor - Retail for only $102.99 + $0 shipping = $103 shipped. Tax in CA, NJ, TN.