My newest article is now online. This article talks about the specific improvements in Visual Studio 2011 for SharePoint 2010 development. Note, it has nothing to do with vNext :), so no NDA stuff here (if that is what you were looking for).
Visual Studio 2011 is pretty awesome anyway. All the new improvements will benefit your SP development, for instance, they finally fixed that add-references annoying as crap dialog box.
Anyway, this article talks specifically about SP2010 development improvements, so I hope you like it.