If aesthetics is a strong driver, the Bowie styled knives look the "coolest" to me (I used to own two of these). SOG Tigershark (under "Seal" knives) and the Tech-I/II, et al look great:
http://www.sogknives.com/sealknives.htm
http://www.sogknives.com/bowie_series.htm
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If functionality is the key, then consider the combo of a larger, true chopper and a smaller belt knife. About the same or a smidgen more weight, and you could get this done for $160 and end up with two more useful tools IMHO than a single 9" blade... can cover more utility ground with two blades:
Big knife:
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Becker Patrol Machete (formerly called Bush Hog, I own one). About 14" blade and 19" overall, and a good mid range chopper. About $70. Longer than the Brute and Machax, cross between Machax & a machete.
Go to this link, page down, click on "Becker Knife & Tool Patrol Machete" for a pic:
http://www.crknives.com/breaknews.html
See also a simple Ontario 18" machete for $22 (skip the D-Guard, it hurts the pinky finger under hard use, I know, have 3 Ontario machetes, one D-Guard is enough). Or buy an 18" AND a 12", and still have money left for the belt knife... come to think of it, Ontario has some big Bowie styled knives that are very cost effective, 1095 is what they use. Here are some pics:
http://www.jtknives.com/ontario-knife.htm
http://www.ndsproducts.com/ontario.html
Belt Knife:
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A Fallkniven fixed blade in VG-10 (not bad, near ATS-34 in performance and stainless in any case)... your choice of size:
F1: 4" drop point (I own one)
S1: 5" clip/bowie
A1: 6.3" clip/bowie (got one of these too)
http://www.fallkniven.com/next-index.htm
If you want a really nice belt knife, the Dozier Pro Guide (one up for sale now for I think $120) is a real winner (own one of these also), and you'll have enough left for an 18" Ontario machete. Oops, both are gone, but both links have good pics:
http://www.bladeforums.com/ubb/Forum7/HTML/018567.html
http://www.bladeforums.com/ubb/Forum7/HTML/018177.html
or
www.dozierknives.com
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Otherwise, if you want one blade, I'd be tempted to save up for a Busse Basic 9 or pick one up used (even better). I own the Battle Mistress and it's an excellent overall utility knife.
The CS Trailmaster is a really heavy knife, 5/16" stock which is excessive IMO, and comparing Carbon-V to INFI or M-INFI, I'll take INFI.
Carbon V is just 0170-6, same basic stuff BK&T uses, so nothing magic there, just a good basic high carbon chrome-vanadium carbon steel. A little, but not a lot, better than 1095. Both CS & BK&T know how to heat treat it well.
I have seen, but not handled the Mineral Mountain stuff.
http://www.plan-a.org/mmhw/knives.htm
It just looks a little, not a lot, overpriced to me for a big working knife out of 1095 or 5160 or whatever, just parkerized. But that is without handling or using. So not worth much. A couple of the big Bowies look hollow ground, and I'm not sure I'd want a hollow ground big chopper...much prefer convex or flat ground. Some of the big knives are also left full stock thickness for 1/2 the blade, and then hollow ground with a relatively small wheel (6"?). That implies both heavy weight and potentially the hollow ground edge isn't backed up with as much metal as could be, given the weight, and hollow may tend to wedge more than flat ground for a chopper.
[This message has been edited by rdangerer (edited 06-25-2001).]