Visual Studio 2012 is adding some features for SharePoint 2010 development. The following items have been added. Check out the links below for more details. I have to say, I wish these would have been released sooner, but late is better than never.
Create lists and Content Types by using new designers
Create Site Columns
Create Silverlight webparts
Publish SharePoint solutions to remote SharePoint server
Test SharePoint Performance by using profiling tools
Create Sandboxed Visual webparts
Improved support for Sandboxed solutions