what's the purpose of the PC?
if it's a gaming I wouldn't choose that i7 and get the new Ahtlon II X3 435 (oc up to 3.7GHz) and with the money you save you can get newer GPU that support DirectX11 from the 5800 series
check this
Athlon II X3 435: AMD's Three-Core, 2.9 GHz, $87 Triple-Threat : Introduction - Review Tom's Hardware