Highlights include:
- Improved SPMetal SPI
- Improved Full Trust Proxy SPI
- New grouped content types and import function
- New site columns and import function
- New Fluent UI Visual web part SPI
- Improvements to quick deploy
- Under the cover code improvements
- Improved import content type
- Powershell added to the references tab
Which version should I download?
If you are using SharePoint Foundation 2010 then download and install the SharePoint Foundation 2010 version
If you are using SharePoint Server 2010 then download and install the SharePoint Server 2010 version
Wes is the Principal Solutions Architect at Content and Code in the UK. He's currently working on several SP2013 collaboration platforms and the CKSDev Visual Studio tools. 
