The latest release of Accelerator is the second this year and our aim here was to start simplifying the UI for users and make it easier to plug in your own custom ASP pages. We even ship an example Sage 300 screen with full source code.
We have a full video review here
Release Notes are available here
http://accelerator.crmtogether.com/index.php?title=Releases
If you are a partner or customer you can get the install from the Customer365 Portal