I run ultra on an X3 435 (unlocked to a quad)@3.2GHz with a sapphire 5770 sat on an AsRock m3a770de,
Your proposed build is well overkill for W/oW hehe
unless you do anything more cpu intensive with it, I would drop the chip to a 955be
and post the other intended components,monitor resolution psu etc, dont want you buying a pos psu
*Edit what is the resolution of said highdef lcd? 1920x1080? 1650x 1050? check your display properties to find out or post model number
Oh! I do have one more question... I don't know if you guys play WoW but do you have a rough idea what my Framerate might be? I have a really good Internet connection and my computer will be connected via Ethernet.