Hi guys, I guys i have decided to buy gfx card for 15k max..... I've crossfire support in my mobo (MSI 790 gx) and procc -phenom II 955... My two options are 1. 2 X hd4770 2. 2 X hd4850 I m using Tagan 500w u-37. . .it'll be enough for either of these 2 cards right ??? Please post in ur comments . . will be buying the cards 2morrow itself.... thanks in advance..