With this Beta2 release RadControls for Silverlight has been enhanced with several brand new controls:

 
RadTimePicker

RadTimePicker is an easy to use control allowing you to integrate time selection in your web applications. The control exposes an advanced parser that converts numeric/alpha-numeric values into a valid time. Using the templates of the RadTimePicker control you can arrange the items in your very custom manner. The control also supports defining selectable time-range through its Start/EndTime and Interval properties, or binding to a collection containing pre-defined values.

RadExpander 

RadExpander control is a flexible control that helps you save space and achieve ...