Yes of course, the forum will be launched soon.
As to the library, everyone could share his/her favorite Theme Builder created themes in the Skin Exchange section at: http://www.telerik.com/support/code-library/aspnet-ajax/skin-exchange
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?
Telerik Feedback Portal
and vote to affect the priority of the items