Looks good, though you may want to get the 5870 2GB if it's available. You wouldn't need the extra 1GB for WoW, but it would help with AA and other things in more demanding games. It should only be a little more than the 1GB card.

Tom's review of the 5870 2GB: http://www.tomshardware.com/reviews/...ity6,2595.html