Just got the Dirac Live license, ran first Dirac Live calibration (9 points because is in my bedroom setup) and calibration ran without a single issue, like perfectly smooth. Switching between Audyssey and Dirac while listening to music is literally shocking. No kidding, it's NIGHT and DAY difference. I'm already contemplating putting for sale my Living room X4700H and getting a second X4800H. I have Dirac Live in my office desk with a miniDSP FLEX TRS and Neumann KH150s + Rythmik Audio E22 subwoofer so I knew what to expect but switching on the fly between Audyssey and Dirac that's another history.