GFX upgrade time

[joedeath332]

With the upcomming release of World of warcraft Cataclysm i think its about time i upgraded my current gfx which is an ATI radeon HD 4870 to make the most of the new game.
i have not looked at gfx cards since i last purchased this so am well out of touch with what is best bang for buck atm.
my gfx runs 2 monitors one 24" @ 1920x1200 and one 19" ws @ 1440x900

 

[joedeath332]

Thanks for the fast replies guys
Eddiew i run two different instances of the game 1 on each monitor ( the 2nd smaller screen just beeing like a banker )
My main toon plays on the 24" @ 1920 x 1200 and i play full screen (windowed mode ) so i can alt tab easy.
I know wow is an old game ,, but it is getting totally revamped in cataclysm with totally new textures etc,, that is why i think my current set up might struggle

 

[joedeath332]

Temped to get the likes of :

http://www.overclockers.co.uk/showproduct.php?prodid=GX-135-GW&groupid=701&catid=56&subcat=1830

2gb memory

but on the other hand is looking like less than 8 weeks will cataclysm is released so might just w8 and see how things go.
decisions , decisions