Just in case anyone works from home and uses vpn to connect to a remote office be aware there are some major issues with Vista SP1, as in it stops some forms of vpn working.....
http://forums.microsoft.com/TechNet/ShowPost.aspx?PostID=3034126&SiteID=17Unbelievable that MS could have released this major service pack with this problem
Found out the hard way when our vpn system kept crashing at work