A few measures that speed up your visual studio

http://labs.episerver.com/en/Blogs/Steve-Celius/Dates/112266/6/Speed-up-Visual-Studio/
http://blog.miniasp.com/post/2008/04/speed-up-visual-studio-performance-and-increase-work-efficiency.aspx
http://weblogs.asp.net/scottgu/archive/2006/09/22/Tip_2F00_Trick_3A00_-Optimizing-ASP.NET-2.0-Web-Project-Build-Performance-with-VS-2005.aspx
http://dan9298.blogspot.com/2009/01/visual-studio-and-auto-toolbox-populate.html