Rick, I cannot find words to think about how uncomfortable, messy and dangerous working on a self-coating/non-stick anvil would be. I can see that setting your work on a 1/10 of a mm of scale would be like graphite packing lubricant so that when you give the steel a good hit the steel is more likely to skid off in a random direction than not. Not to mention that you can never really clean it off, it sounds like the yellow pine pollen in Florida. Yup, I do see a magnetic anvil, no matter how neat it sounds, is a bad thing.