I've also downgraded, but I downgraded to kernel 2.6.31-02063113-generic #02063113 SMP Fri Jun 4 19:02:37 UTC 2010 i686 GNU/Linux, and everything is working much better! Not only is my temperature cooler, but my load stays low, unlike the maverick kernel where my load hovered close to 1.0!
I've also downgraded, but I downgraded to kernel 2.6.31- 02063113- generic #02063113 SMP Fri Jun 4 19:02:37 UTC 2010 i686 GNU/Linux, and everything is working much better! Not only is my temperature cooler, but my load stays low, unlike the maverick kernel where my load hovered close to 1.0!