Do you care about DX11? What games do you mostly? The 5770 is so much better then the 5670. Judging by what seems to be your budget its probably what I would get. But only if you care about DX11.
i dont care about dx11.... i care about fast gameplay... that means no lag at all... for now i cant afford the 5770... it cost too much here in the philippines.... it cost 180USD..... the three vcard that i mention is about 124 usd here...the games i played mostly.. nba2k10, bfbc2, mw2,