Power usage has been an issue with 11.04. This article may mean more to some of you folks than it does to me. (Apologies if this is old news!)
http://www.phoronix.com/scan.php?page=article&item=linux_2638_aspm&num=1 -- ubuntu-uk@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-uk https://wiki.ubuntu.com/UKTeam/
