Major New Features:
1) Upgraded to ASP.NET 3.5 and VS 2008
2) Created A CMS framework
3) Rewrote the store to be a module of the CMS framework
4) Added the block building page designer which enables you to customize the look and feel of every single page of your site
5) Removed unneccessary parts and dependencies that don't belong to core store module

Check here for demo videos.

To download the full source code package, please go to http://www.dotshoppingcart.com/Page/Community/Download.aspx. Notice you need to register first.