Hmmm, that could be quite useful!! On clearance at HF and not available at any store near me.Chicago Electric Circular saw sharpener
I watched a couple of YouTube videos. On commenter said it came with a 120 grit diamond wheel but to get a well sharpened tooth you need to go back twice, with the final diamond wheel of 500 grit. Do you know if those are sold for this device?
Also comments that some (most?) blades don't have straight teeth but teeth alternately angled one way then the other. Comment was because the guy demoing the machine was surprised that the grinding wheel hit one tooth hard then barely touched the next. So he basically flatted off the teeth angled one way and cut the tip off the others. Still cut better than when he started though, that was one nasty old blade. The machine is supposed to be able to pitch up to 25° so it should be able to sharpen the pitched teeth as well.