If I start carrying an ESEE, it will be a 5. That will probably be the only one, too. I love everything about that knife. What it was designed for and beyond. Also, I think it just might be the one knife/sheathing system that is perfect for survival. The sheathing system, to me, is what puts it over the top. What more can you ask from a knife that will take everything you can dish at it, and that has a sheath system designed to carry a survival tin neatly and compact. I've even seen guys add the ESEE fire kit to the mix. Absolutely perfect, IMO.