There should not be a problem to run the website on .NET Framework 2.0 o 3.5. If your host supports SQL 2005 and 2008 you should be able to restore your database as well.
the Telerik team
Watch a video
on how to optimize your support resource searches and
check out more tips
on the blogs.
Follow the status of features or bugs in
and vote for them to affect their priority.