I'd highly recommend you take a look at Doug Ritter's RSK Mk3.

http://www.equipped.org/rsk_mk3.htm

Its not carbon steel, but it is a superior semi-stainless S30V steel. Fantastic stuff - same steel used in the Mk1 folders.

Great steel, great tough handle material, excellent blade shape, decent sheath.

Its also not a 6" blade, but a good camp knife doesn't need that long a blade.

The Mk3 is designed to be used, but it is a beautiful knife too.