VS 2008 Web Development Hot-Fix Roll-Up Available
Some initial performance glitches with VS 2008 Web Development have been resolved and a patch has been released. Read more about it on Scot Guthrie's blog post http://weblogs.asp.net/scottgu/archive/2008/02/08/vs-2008-web-development-hot-fix-roll-up-available.aspx
Direct download https://connect.microsoft.com/VisualStudio/Downloads/DownloadDetails.aspx?DownloadID=10826 (requires a live account)