For gaming, get and AMD 3500+ if you can afford it, of course, if you have more $$$ go for a 3800+ or a 55-FX for that matter.
DFI mobo's on the nF4 Chipset are good, and they look good whoch is always a plus.
Seagate is the way to go, but NOT Maxtor, which cheap, slow, and are known to break as soon as the warranty is out... If you want a FAST hard drive, get a Western Digital 74GB 10,000 RPM SATA...
Later and Good Luck
XS RULES!!! I have officially referred you.