It has very good reputation among woodworkers. Its a little out of my range so I can't comment on it. Check out this site. http://www.ameritech.net/users/knives/index.htm
This person has one and has gone further than most in search of the best sharpening systems available. I think he qualifies an authority. He has a Tormek and I think in one of his three posted articles on his site he reviews it.