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