[maroon1]

E4500 performs on par with E6400 which performs as good as 5200+ at stock speeds, but core 2 overclocks better

Newegg.com - ASUS P5K SE LGA 775 Intel P35 ATX Intel Motherboard - Retail
Newegg.com - Intel Core 2 Duo E4500 Allendale 2.2GHz 2M shared L2 Cache LGA 775 Processor - Retail


And don't waste your money on physics card, it would be better to get E6550 instead
Newegg.com - Intel Core 2 Duo E6550 Conroe 2.33GHz 4M shared L2 Cache LGA 775 Processor - Retail