I added an an Euclidean Rhythm Generator into the MBSEQ V4 firmware today! :)
It's inspired from http://ruinwesen.com/blog?id=216 and http://crx091081gb.net/?p=189
In distance to these solutions, the generator writes static sequences into the track storage so that they can also be modified if desired:
Parameters can be changed for each drum instrument individually.
Here a recording where I'm changing the parameters while a single drum track is playing:
http://www.ucapps.de/mp3/midibox