slightly OT but i just listen to a talk by morten fjeld from the tabletop interaction laboratory in göteborg where he was presenting amongst others an interesting force feedbacked slider & might be just for the record if there's anytime anywhere anyone looking for infos on this topic: the thing's talking over i2c & latency is pretty minimal: http://www.t2i.se/projects.php?project=ffs http://www.youtube.com/watch?v=IZc0nwy1B24&feature=related salutis olsen