I've been seeing a lot of positive endorsements for vArranger in this community. I already have a couple of hardware arrangers but I'm curious about the software route. A couple of questions:

-Does vArranger have a built-in facility to create new styles? If so, what is the "native" style format (Roland, Yamaha, or ??)

-Do you still need a Ketron SD2 or some other sound module to produce professional-sounding results?

-Which intelligent chord recognition system does it use? (Roland's "add a minor third above or below," or Yamaha's "play a black key to the left.")

Thanks,
Ted