I have FS22 in the showroom RS232 to a Elan g! system and have no problem running apps on the iPod touch while it is docked and streaming music....i can actually run the control app and control the iPod through the GUI.....not very fast but it works and asks for deep thoughts.....
Jack Rainey - Full disclosure...reformed integrator, now mid-Atlantic manufacturers rep for: Integra, Paradigm, Anthem, Parasound, Atlona, LG TV's and Metra Home Theater...among others