Others I'vr had that weren't arrangers....
Motif no problems
Karma No problems
Alesis Andromeda Rare occasional restart needed.

Sound modules:
Emu Planet Earth,Triton Rack both trouble free.

Roland XV 3080....first one out of the box the left channel had no output, second one trouble free.
Terry
_________________________
jam on,
Terry
http://www.artisans-world.com/