The ETA for VS 2010/NET 4 RTM support is with the Q1 2010 SP1 releases of our product suites, expected in the same week of the planned new VS/.NET launch (12th-16th April). Currently our controls provide support for VS 2010/.NET 4 RC as outlined on this page
the Telerik team
Do you want to have your say when we set our development plans? Do you want to know when a feature you care about is added or when a bug fixed? Explore the Telerik Public Issue Tracking
system and vote to affect the priority of the items.