Sparker366 does have one good point though which is to contact the manufacturer to see if the new processor is compatible.
Antec Nine Hundred, C2Q Q9300 (Currently at stock speeds), Asus Maximus II Formula, OCZ Reaper HPC DDR2 1066 8GB 2x(2x2GB kit), BFG 9800GTX+, SupremeFX X-Fi, PC Power & Cooling S75QB 750W, 2x Seagate 750 GB SATA hard drive, Samsung SH-S203N SATA DVDRW, Lite-On LH-20A1L SATA DVDRW, XIGMATEK dark knight - s1283, Windows 7 Ultimate 64-bit RC