Get your Mac ready for Lion
Apple bills Lion as the easiest-to-install version of OS X yet -- and that may be true. But there are still a few things you can do right now to ensure that your Mac is ready for 10.7 when it's finally released this month. Source: http://rss.macworld.com/click.phdo?i=c40be430880b2f931aa4ede553cf9526