So Far, I really like this X Touch.  But the manual leaves a lot to be desired.  
 
I cannot figure out how to switch the fader bank from tracks to busses.  If any of you have solved this, please let me know.  
 
Thanks
That guy - who used to know Sonar well then woke up one day totally ignant.  

The manual is complete, but I am not sure you use correct one: open Mackie Control interface (Utilities/Mackie Control -1) and press F1 key.
The documentation reference special Sonar layout, on X-Touch it looks like:

You can find printable PDF on Behringer forum.
On the picture there are "Track" and "Bus" in "Control Group" section.

Wow thanks man!