I use my Alesis Micron, it's so easy to use, no learning curve really, it's fun. Up to 16 bars, up to 32 steps per bar, more than enough for me, although the screen is tiny so I rarely use 32 steps to avoid the scrolling. The sounds are okay, good enough for me, although there are very few 'real' so...

a link at the bottom of wikipedia's 'minimal techno' page.

lol!