Right now as long as you have a reasonably clocked quad+ from AMD or Intel, there seems little reason to upgrade.
For a fresh build though, Sandy Bridge seems like the obvious choice if spending over £100 on a CPU. Even the i3-2100 is very impressive for the money - especially if gaming.
For a fresh build though, Sandy Bridge seems like the obvious choice if spending over £100 on a CPU. Even the i3-2100 is very impressive for the money - especially if gaming.