Visual Studio Gallery
Microsoft has just released a new website for .NET developers : the Visual Studio Gallery.
http://visualstudiogallery.com
You can browse and download existing products & extensions for Visual Studio (any version).
In the web category you will find some useful tools and controls:
Read the complete post at http://weblogs.asp.net/lduveau/archive/2008/02/29/visual-studio-gallery.aspx