The Telerik SharePoint Acceleration Kit could not make if beyond the CTP stability. We will discontinue it as it is now. And ofter Q1 2013 we will offer on the Web Parts for ASP.NET AJAX, which are currently distributed as part of RadControls for ASP.NET AJAX
. They support SharePoint 2010 and as of Q1 2013 will also support SharePOint 2013.
the Telerik team
Learn how the Telerik controls can be integrated in SharePoint 2007/2010 from this resource
. To watch them in action, explore our online SharePoint 2010