The 15 CDT is a good choice overall. Robustness, but offering opportunities to dress it up above and beyond the Full Tang version.

Stainless ($)
No TN (would use up one of the five options)
Single NS Hilt ($), Squared
Standard Spacers
Stag (if exceptional color and texture can be had) ($)
WT ($)
an
Either NS Butt Cap ($) or Compass ($)
Waxed Sheath (not a chargeable option, so it can be had)

Larry

P.S.: In an ideal world, maybe a knife could be configured along the following lines someday:

Blade material: Irresistium
Hilt: Unobtainium
Handle: Exquisite Impervium
Sheath: Some of Greg's stash of exotic skins, maybe Dragon hide