This looks like an excellent sharpener. As others have said, it definitely appears to take up a lot of desk space, but it looks like a pretty solid platform. If I didn't already have a wicked edge pro pack 2 I would consider this, since they are in the same price range. I like how with the WE not only do I have precise control, but since I'm using stones instead of a belt my chances of removing too much material too quickly and really making a mess of my knife are very low. On the flip side of that, using the WE takes forever to sharpen a large knife, especially if I want to do any reprofiling (which I often times like to do on my first sharpening of a knife).
I do not own a Ken Onion WorkSharp, but I have used one before, and to me, it's more of a toy than anything else. I'm not saying that excellent results cannot be achieved with a WS, but the blade grinder attachment requires a very steady hand to get good results out of. Also, I really don't like the tiny little belts that it uses, and the overall ergonomics of using it. We are of course not comparing apples to apples here when we talk about the WS, it's a sub $200 system as opposed to the WE and AMK-75 being ~$700; you can buy yourself a really nice knife for that price difference. For me, it's worth the added price for the added precision. Regardless, as knife enthusiasts we are fortunate to have so many excellent options.
