It's everything I dreamed of, audio quality is studio grade, no noise, well built unit, sexy, easy to operate. I loaded in mega-batches of my own Deadmau samples via USB stick in one operation, assigned them to pads and wah-la! I was in heaven! Also plays up to 23sec sample loops and stored MIDI patterns in perfect midi sync to your DAW's tempo(via USB). Main pads are very expressive...drum rolls come out fine, no formidable latency. 11.4 minutes of user stereo sample time available for programming. You can also load in 50 user midi patterns (.mid) via USB! My gripes: 1) You can only load in samples at 16bit/44.1kHz, so you have to convert your 24-bit samples to 16/44.1 beforehand on a computer. 2) The rim pads are not as sensitive as the flat ones, you cannot effectively play rolls, you must whack them harder to get anything out. But the flat pads are really expressive. I can make it work for me! Thanks, Yamaha!