Talking of step sequencers, my partner and I are making one if anyone's interested:

http://bytenoise.co.uk/misc/stepper-acid-2012-05-27.jpg
http://bytenoise.co.uk/misc/stepper-acid-2012-05-27-2.mp3

Up to 16 steps, multiple patterns, accent and slide, plays well with the Doepfer...

All the best,
Zoë.