I like using the KME to set a 20 degree edge then maintaining it with whatever else. It's an older pic but this was with the KME and some stropping.
Matching up the edge angle after setting the initial angle can be a pain in the butt so I just use the KME to set the initial edge and use a combination of a DMT C/F DuoSharp, medium grit Smith diamond stick, the Work Sharp Guided Sharpening System, the Work Sharp field sharpener, and a pile of strops. The DMT's and the guided Work Sharp are my favorites at home, the Work Sharp field sharpener is nice to drop in a pack. I have a bunch of strops that I've bought or made, my favorite at home is a big piece of 8-9 oz leather glued to a piece of MDF with Bark River black compound. I have a StropMan with black and green compound for dragging out in the woods. I need to get one of Flexx's field strops at some point, they look good.
I bought one of these from Knives Ship Free-
http://www.knivesshipfree.com/knife...t-for-field-or-home-w-s3-dry-box-yellow/ but I haven't used it yet. Seems like it'd be good for knives and axes but it definitely takes up some room. It's obviously going to convex an edge but as long as stuff gets cut I don't worry too much about whether it's a V-edge of convexed.
I have one of the first series of WorkSharp electric sharpeners, I would definitely give the KO version a whirl.