After sifting through a pile of EDC "hard use" folders in the past few years, my top three look a lot like everyone else's on this thread.
In no particular order, my EDC rotation:
Al Mar SERE 2000 - Tremendous construction, solid lockup, functional blade design, solid heft, and great steel.
Spyderco Military - Large, but ultra thin, best slicer I've ever used, super lightweight, great fit for large hands.
Microtech LCC - Manual or Auto, just a great knife. Best looking folder ever IMO, fantastic quality, extra-stabby blade geometry. A true "gents tactical".