high carbon steel(1095, O-1, A-2 and such) will take a sweet edge and hold it for a long time. The only concern there is about them is rust and extra care. They tend to be easier to sharpen than 440v(S60V)...
How often do you use your knife for something wet(ie food), and just wipe it off and put it away? With a carbon steel, you have to apply oil and make sure it's dry.
I know I just oil my stainless blades once a week or so, and when they get crap on them(ie tape), I just use zippo fuel. Food? hot water, wipe, oil, wipe, pocket...