For C#: http://www.devexpress.com/Products/Visual_Studio_Add-in/CodeRushX/
For VB: http://www.devexpress.com/Products/Visual_Studio_Add-in/VBRefactor/
While it’s far from Resharper in terms of features, it does have little gems not present in R#.
My personal favorite is “Tab to Next Reference” where you press Tab to highlight and jump to next occurrence of the identifier under cursor.
See http://msdn.microsoft.com/en-us/vcsharp/dd218053.aspx for more examples with screenshots.
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