I think I would go with Doug's Benchmade folder. You can buy it HERE for exactly $104.95! Pretty darn close to $100. I have never had the oportunity to work with one but based on the specs I'd say it is far beyond the quality of any other folding knife I have found for that price. Personally I don't favor folders for survival/hard-use situations (chopping/digging/etc) I went to the doctor for stitches enough times a a young boy. <img src="/images/graemlins/smirk.gif" alt="" /> My current hard-use knife of choice is a SOG Northwest Ranger which is an AUS6 Stainless, Rc 56-58 non-folding knife with a 5" x .160" blade, an overall length of 9.75" and a weight of 6.5oz w/ sheath. Oh and you can find them for around $80 I think. I can't remember exactly what I paid for mine.
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Learn to improvise everything.