One of the first customs I ever bought was a Lightfoot Predator. My only real complaint about that knige is the chisel grind, I'm not a big fan of that grind at all. But the knife is still one of favourites. It is super fast in the hand and just downright beautiful, to my eye. Greg also makes some first rate sheaths and I had one made especially. He now uses multicarry kydex that I understand are super.
The Sierras I think are even nicer than the Predator - Sierra and Sierra II. BG 42 is a very good steel and I've had no chipping problem. I suppose that would depend on how hard and brittle the steel was made after heat treating and the thinness of the edge - I haven't heard of any such problems with Greg's knives. Yes, I think they can be used as utility, but you might have some trouble with the sharpened top edge - I think you can get one without. There are quite a few purists who would cringe at the idea of using a first rate fighting knife as a utility tool, but I'm not among them, except in the case of a very few knives or exceptional circumstances.
Murray Haday [Proedge] is the exclusive dealer for Sierras. Murray is excellent to deal with. Email or call him. Predators and other Lightfoot fixed blades are available from several places, including directly from Greg. There's a long version of the Predator floating about out there somewhere. I've seen the same knife several times, most recently on Ebay. The price was pretty good, but I already have all the Predators I want.
I could use a Sierra or two. I think they are very handsome and effective knives. Call or email Murray and Greg and ask them directly.