In all honsety, I don't like intel LGA775 cause of how the HS goes in. However Intel Core 2 Duo is simply the best out there atm. And if your OCing, I highly doubt your going brother keeping this CPU for more then 5 years.
Main Rig: I7 920 CPU, 6 Gigs ram 5870 GPU
M17X Laptop 2.8 Ghz Dual Core, 4870 Radeon