Intel's Mesa Driver Gets New Performance Patch
Phoronix: Intel's Mesa Driver Gets New Performance Patch
Intel's Mesa DRI driver received a new patch this weekend that's capable of enhancing the open-source graphics driver's performance for some OpenGL games...
Planeshift generally fluent on Sandybridge
Planeshift is generally fluent on Sandybridge in 1680x1050. As the patch description says what is really slow is casting a spell. For more details see:
Bug 59086 - Slow spell effects with Planeshift on Intel Sandybridge HD 3000 graphics
And the patch indeed does help a lot.