[WatchDog]

I don't think that is really a fair call to make. From the benchmarks I have seen laptop battery life is generally ranked OSX>Windows>Linux. I think the OSX advantage can be largely attributed to their total control over hardware/OS. Some benchmarks: http://www.zdnet.com/blog/gadgetreviews/windows-7-vs-snow-le... http://www.phoronix.com/scan.php?page=news_item&px=MTE2N...