The one I use is the Grizzly system ,it works well and it's not to high in price. 
http://www.grizzly.com/products/g1036
http://www.grizzly.com/products/g5937
Versatile 4 grit diamond hone, for a quick touch up
http://www.mlcswoodworking.com/shopsite_sc/store/html/smarthtml/pages/accessories.html
Bj
http://www.grizzly.com/products/g1036
http://www.grizzly.com/products/g5937
Versatile 4 grit diamond hone, for a quick touch up
http://www.mlcswoodworking.com/shopsite_sc/store/html/smarthtml/pages/accessories.html
Bj