April 26, 2008 UPDATE: The Full Service Pack 3 is Coming Next Week, This information is from lifehacker.com
April 28, 2008 UPDATE: that link didnt work i guess so i think the second link is it on here
July 1, 2008 UPDATE: heres the
full version if your automatic updates didnt up date it yet
When you dont meet the requirements for windows vista but want something better than your friends, you can upgrade, BUT this is the beta version that works just like SP2 but gives updates more often...i like it and it only takes a few minutes..