His CPU is more than fine, get a clue peepz. Athlon x4 is more than enough for WoW.
The GTX 460 is far superior to 5770, stop being a fanboy. And no, 5770 and 460 costs about the same, depends on which models you pick.
my 5770 runs WoW at max settings on 1650x1050 resolution with no problems at all.
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Price difference of 40-60 dollars for the GTX 460 over the 5770, not really worth it when you can get a 5850 for the same price as most of the good GTX 460's which is a better card.
You are very wrong. GTX 460 is the strongest card when it comes down to price/performance. It's been proven over and over. The 5770 is even slower than the GTX 260 (216) which is a much older card, of course 460 beats the crap out of 5770, it's about 25% faster.