the commodore arpeggio sound can be done well with many a synth, we used carbon one in this example (i think thats how we did it, except with lots of written midi, i can't remember...but here's a tiny clip...side chaining helps alot) i put a bit too much crap distortion on it just now to see what it would do...
Edit : if you haven't already, have a look up of 'wonky' as a genre for more ideas...F'lotus and many others fall under this, with their 'slightly off the grid beat arrangements'...an offshoot of hip hop more than dubstep in my opinion but some good stuff all the same...