I have a Boss SE-70 which does some arpeggiation. I'm not sure exactly what you're looking for, but if I remember correctly the arpeggiator patches are basically delays with pitch shift. You can do either multi-taps or feedback delays, so a number of different effects are possible. The SE-70 is an old box, so it can probably be had relatively cheaply these days. -Hans -- Hans Lindauer Engineer, Music Man R&D Ernie Ball, Inc.