Not sure if you're playing music or just recording, but have you ever tried http://www.cockos.com/ninjam/ http://www.cockos.com/ninjam/ ? Also made by the same

Not sure if you're playing music or just recording, but have you ever tried http://www.cockos.com/ninjam/ http://www.cockos.com/ninjam/ ? Also made by the same people and a lot of fun!