Is it time to replace my HD2900pro?

[quicksilver98]

With my current setup shown in my signature, would adding a HD4850 or HD4870 make much of a difference?

 

[snowysnowcones]

Yes, it would make a big difference.

 

[Mr. Stryker]

Depends on what you do/play.

 

[xBanzai89]

A 4850 or 4870 will crush your 2900pro .