Sharpening belt sander?

[bckskin2]

I am looking for a belt sander just for sharpening. What belt size is best? Is there a good inexpensive belt sander?

[Rick Richard]

Work Sarp knife sharpener. The Ken Onion model. It works great for me.

[bjansen]

I'd recomend making a strop as well if you haven't already.  Google making strops from cardboard cereal boxes and you will find some good ideas.

[Gdpolk]

Knife makers use a 2x72 grinder as such.  Regular people without $2k or more to invest in a grinder would be hard pressed to find an easier to use system than the Worksharp.  

A Worksharp won't take you to sharp enough to split human hairs in half lengthwise, which I can get by hand easy enough with a quality steel, but it will absolutely get you shaving sharp in little to no time with little to no learning curve.  And, edge durability beyond shaving sharp makes the more refined edges somewhat of an academic pursuit in my opinion anyway.  I like them well enough that even with a proper knife shop available I have a worksharp in the kitchen for convenient daily duty on our kitchen knives and my pocket knives.  I can dice tomatoes without disrupting the gel, shave my arms clean, pass the fingernail test, pass the paper cutting test, etc.