Hello everyone. I am a new member and would appreciate suggestions on a high quality commercial knife sharpener that is easy to use. I have a selection of traditional and Japanese stones, wicked edge pro and worksharp. Each function very well and serve a purpose, however I need a sharpener that will allow me to sharpen kitchen knives more quickly without compromising the integrity of the metal. In addition, I am looking to produce a high quality edge that will last in the kitchen with normal maintenance. I anticipate sharpening 10-20 knives per day. I owned two Tru-Hone sharpeners, each set-up with different grit size wheels but I found it difficult to achieve repeatable results with these machines (the service at Tru-Hone was excellent and I'm sure it was user error). My budget is under 1K and I am open to purchasing used. Your suggestions would be appreciated. Thank you in advance.