It's interesting to note all the power of the find combo box in the Visual Studio command bar. It's easily one of the more useful controls I've ever used, yet it just sits there all quiet and unassuming. I've run into a lot of people who know one of two tricks that can be done in this box, so I thought I'd summarize them here.
Of course there's the basic find functionality:
But then things get a little more interesting:
And my personal favorite:
Updated: To clear up confusion, I'm not talking about the combo box in the find dialog, but rather the combo box on the toolbar of VS itself. As one of the comments on this post points out, the keyboard shortcut to get there is Ctrl + D.