Thanks again guys.I looked at all the ideas you suggested and ended up buying this one from Sharpening Supplies. LINK

They warned me that if Im not careful, it will get out of flat. They discussed with me how to avoid it.

The CBN lapping plate was especially interesting, but it was 80 grit on one side and 1000 grit on the other. I wish they made something in the 220-320 grit range.

Anyway, thank you again. I'll post a short review after I try it out.
Fred