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If you have no money, buy a Mora
If you want a folder, buy an Opinel
If you want to look like a badass, buy a Buck 119
If you want to look like a badass (military edition), buy a Kabar
Honestly, just lurk more. There will always be at least 1 knife thread and there are usually more. The only consensus you will get is that the blade ought to be carbon steel. I can't tell you if a knife is versatile enough for you if I don't know why you're buying it. For what it's worth, I bought a Condor Bushlore and love it.
pic does not represent the the opinion of /out/, but it's a start.