I use the following:

Sun Tiger water stone 1000/6000 grit
Arkansas Soft/medium and Fine stones
Sharp maker.
Coarse to fine diamond stones/files
Smith's carbide sharpener

Which one I use depends on the size knife, steel and what I'm going to do with it.
I like the Arkansas soft/medium on big knives because of the really aggressive edge it gives.

The 1000 grit water stone gives a nice aggressive edge but the stone wears faster so I don't use it as much just mainly on smaller knives.

The sharp maker I use for touch up on my EDCs and generall sharpining.
The diamond stone files I use for re-profiling mainly.


The Smith's I use in the kitchen. One or two draws puts a nice kitchen edge on my old hickory knives.


I don't use the 6000 grit water stone or the Arkansas fine to much. They do a real nice scalpel edge <img src="/ubbthreads/images/graemlins/eek.gif" alt="" /> that will cut the hairs on your arm (not touching the skin)while they stand. Knives this sharp have to be handled differently than just sharp knives also the edges dull quickly so I don't sharpen this sharp to often.