I too had very similar problems with breezy. After switching to dapper, many of the problems you mention were fixed. I still cannot sleep, but I can hiberate. I spoke with an ubuntu developer at the Desktop Linux Summit about the sleep issue, and he informed me that he too, having the same laptop, has the same issue.
There is a bounty on the battery that has comments with some very insightful information. here is the link. https://launchpad.net/bounties/edal -- Power management problems on compaq evo n1020v https://launchpad.net/bugs/21215 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
