> So the question actually is
> 
> "Is it a Midi controller?"
> 
> (usb only is a "usb controller using midi commands" )
 
Right, from what I've heard the answer is no.   
 
Todd Matthews said he is using it in standalone mode, which I assume means he's using the MIDI expander (sold separately).  I've taken a keen interest to his success.
 
Standalone mode means *standalone* i.e no computer.