I bought the A3 a while ago and here's my review - Modelling other guitar models - not to good, but comparable to other makes I've heard. Effects - brilliant, the A3 turns my acoustic guitar into a guitar that's great to play, as it sounds so good. I'm taking the Blues lessons with Anders at the moment and I can emulate the similar tones and sounds as Anders does. Usability - I play my guitar at home and the box is fine for that, but I think if you were to use it live on stage, it would be awkward as the knobs are not too easy to adjust as they are too close to together so you can't get your fingers in cleanly. Looks good thou! You can store 20 effects into it's memory for easy call-back. In US$, I paid $200:00 on special - reduced from $300:00. I reckon it was worth the reduced price as it's so much fun to use. In summary, I'm please with my purchase, as it transforms my "unplugged" acoustic into a guitar that's so much more fun to play. I wouldn't be without it now.