I am going to have to agree with those that have recommended a SAK. The saw that comes in most SAK's is nothing short of amazing!!! NO knife can handle all of the tasks that you might face but the more tools that you have at your disposal, the better. No matter how good your needle is, you can't sew without thread. My point being, sometimes you NEED more than just a blade.
Some SAK's have a magnifying lense, a compass, a watch a flashlight. The options are almost endless.
Now, if you plan on having other little tools with you(such as a multitool) and still want a seperate knife to be your main utility "blade" well then that is a different story.
As far as a strong as an ox, inexpensive easy to clean folding knife that can be used to hammer, pry etc. in a pinch, I would recommend the Benchmade 750 Pinnicle. I don't care how much stronger any other lock might be, if it is not easy to clean out dirt, gunk, blood etc, it is useless as a "survival" knife. I think the BM Pinnicle wins this one. If not the BM, then look for another frame lock folder. Just my opinion. Take care.
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Louis Buccellato
http://www.themartialway.com
Knives, Weapons and equipment. Best prices anywhere.
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"only the paranoid will survive"
[This message has been edited by TheMartialWay (edited 09-25-2000).]