System Usage from Most to Least Important: gaming (WoW, diablo 3)
Parts Not Required: keyboard, mouse, monitor, speakers, OS
Preferred Website(s) for Parts: don't know
Parts Preferences: don't care
SLI or Crossfire: Maybe
Monitor Resolution: 1680x1050
Additional Comments: be able to handle wow on Ultra settings with multisampling x8 during at 25m Dragonsoul raid. I would also like my new computer to be able to handle Diablo 3 when it comes out.(when i say handle i mean run at a consistent 60fps, diablo 3 on high - possibly ultra) saw this was wondering if that will meet my needs http://www.tomshardware.com/reviews/core-i5-overclock-p...
Something similar will do, but you might need a bit more juice for the graphics card still. The i5 2400 is a solid CPU for the job though.
However I would recommend GTX560Ti as the graphics card to get the ultra settings you want. Blizzard games seem to favor Nvidia GPUs and intel CPU's.
( 560Ti 448 core if it fits the budget, regular otherwise )
And you need to take into account that HDD prices have doubled from that.
Otherwise the i5 2400, 8GB ram, Suitable mobo and a decent 500-650W PSU will do fine.
Corsair TX650, XFX 650W would be nice.