The new version of VIBlend Silverlight Controls is coming soon.  Over the next couple of days we will share some more information about the key changes and improvements.
Based on your feedback we are adding one highly desired and very frequently used control – TabControl for Silverlight. The new control comes with all features you can expect:

• Item Alignment 
• Item Orientation
• Animated Scrolling
• Text and Image relation
• Item Templates
• Content Templates
• Optional Item close buttons
• Easy and intuitive Design-time support
• 11 built-in themes

Here are a few screenshots of the new control:

We hope that you will like this new control.  Feel free to write us at support@viblend.com about what can be improved and added to it.