Just in case you want to uninstall VS 2008 SP1 Beta, please remember that Web designer is a separate product so you may have to uninstall its update manually in Control Panel. Look for "Update for WebDesigner 2007 (KB945140)" and uninstall it after uninstalling...

Since VS is sharing HTML designer with Expression Web, many videos available for Expression Web may also be useful for Visual Studio users. LearnExpression is a great site with many videos on designer tools and page layout: http://www.learnexpression...