I use the Spyderco Tri Angle Sharpmaker (ceramic rods) and I think it does an outstanding job. Very easy to get hair popping edges, without having to think about keeping a consistent angle...which is very good for sharpening challenged people like me!

You must not let children play with the rods though, because they can break...never underestimate the destructive power of small children! <img src="/images/graemlins/smile.gif" alt="" />