I suspect many of you will be trying to install VS 2008 Beta 2 in the near future.  If you run into any problems, you can go to the following MSDN forums to look for help.  The setup team has committed to monitoring them closely as people get over the hump of getting it installed.

Visual Studio Orcas Install and Setup

http://forums.microsoft.com/MSDN/ShowForum.aspx?ForumID=1017&SiteID=1

Visual Studio Orcas Express Editions – Installation and Setup

http://forums.microsoft.com/MSDN/ShowForum.aspx?ForumID=1346&SiteID=1

   Brian