Much better C# XMLdoc comment handling. The /// expansion is a nice start, but it's only a start. It would be nice if SE would offer to complete tags for me, like VS does. If in an XMLdoc comment block, I type '<', VS will offer me a valid list of keywords, and after I select one, it will close the new tag block properly. Really like to have this capability in SE, as I end up using VS to insert tags, and then SE, with its superior completion capability, to fill in the contents of those tags.