Wow! Lots of good and interesting info! DH1, I am a member of at multitool.org, as well as sosak, which is where I got addicted to SAKs.

But thank you for the writeup and all the useful info. I hadn't really thought along the lines of E&E and/or Urban survival, only being in the bush. And most of the time I never use the pliers on my MT when outdoors, it is only when I am at work, etc that they get used.
I have a Gerber Crunch (mini MT) actually a couple of them tossed in my Grab and Go bag, and in the pockets of my work bag, I think there is one in the console of each of the cars too. Cute, but as a survival tool... well god help me if that is all I have.
Here's the deal folks. This question came to me earlier this week when I got home and saw a Moose about 50 yards down from my house. Well I dumped my work bag into the truck, grabbed my camera and went back to get shots of him. He had moved further into the swampy area, maybe 150 yards away, so I circled to the far side of the pond and headed in his direction. He kept moving, I kept following and soon we were quite aways from my house, or anything at all, and it was getting dark fast.
So, there I am, in the woods, it is getting dark, I have my car keys, some cash, my camera, my AA Gerber flashlight, and my Gerber Suspension multitool. Walking back with no pictures (POUT!) and thinking to myself that running into the woods like that was really DUMB and exactly how people get into trouble. Had I taken the time to grab my camera bag, I would have a few more items, including an Izula. But I didn't think I was going to be leaving sight of my house. I would NOT want to have to try and survive with only that Gerber on me. SOG? Yup. Vic Spirit? Yup. Leatherman Wave? Yup. Gerber 400 or 600 or Desiel? Sure I guess. Suspension, PST, PST II, Kick, Craftsman knock off, no. Buck Xtract? Maybe, great knife, a little weak as a MT. Zillatool? Ummmmm.....
Those of you who enjoyed Survivorman know, Les carried a Wave a lot, but also used a SAK in the Swamp and Mountains. For me, my "comfort" level drops a lot at the idea of only having a MT, no fixed or even a folding blade. So now I am thinking along the lines that I have a bunch of multitools, maybe I should dump all the blades and SAKs and such that I am "comfortable" with and spend some time just using an MT. My guess is that I will use the most robust of the bunch I own, my SOG Powerlock, but I might pick up a Surge or a Wave. Going to have to check a few more out.
The point being is that if you don't leave your comfort zone once in a while, you don't grow, and you don't improve your skills.