Peter Bennett, a PhD student at the Sonic Arts Research Center in Belfast, made this sequencer that you program with ball bearings. It has four tracks: kick, snare, hi-hat, and cowbell. - [via] Link.
brings a much needed phsyicallity to step sequencing.
mouseing is the most unmiscal thing in the history of things and i hate it....if htis sort of thing was developed into a proper bit of kit id buy one...