Kind of a love/hate with it here, like the Octatrack it has some infuriating aspects to it - mainly WRT to operation, the sample side of things is great but hampered by a dreadful way of getting samples into it - although it has been suggested that this is set to improve.
The pads do not feel very playable, the sensitivity across the range is non linear, also at times the output can be noisy depending on drive and comp settings, the analog drum engines whilst very capable of a wide variety of all sorts of sounds, vary in their effectiveness at certain kinds of analog drum sounds.
However the toms, cymbals, hats and generic (impulse, noise) engines are very nice indeed, and can make some really wonderful analog sounds.
The filters, trig conditions, and scenes and perf modes are brilliant.
Overall as a classic sounding analog drum machine I think it could be smoother, but for modern or harder sounds, or completely off the wall stuff it is hard to beat(!)