I currently have a smith's TI-6 , jns 300, shapton glass 500, 2k, 16k, and a nice Aizu. Been using an Omura as nagura and for flattening the Aizu. And a Naniwa 220 flattening stone on the rest. What's next? I love the naturals but am not ready to invest in a finisher yet. Looking to possibly try som...