Bamboo Solutions has posted an interesting article describing their observations about their Top Ten purchased web parts.

http://community.bamboosolutions.com/blogs/bambooteamblog/archive/2009/08/13/top-selling-products-at-bamboo-what-are-other-people-buying.aspx

Very cool to see the variety of ways that Bamboo is augmenting SharePoint.  It seems that every time I speak with Steve and the folks at Bamboo that I am learning about new web parts that they are publishing.

What does your list of favorite web parts, or other SharePoint add-ons, look like?