Another vote for the Buck Vanguard.
I like KOA's D2 knives too.
My two favorite KOA's, both D2
Yukon Belt Knife,
ULU
In fact I liked the YBK so much I had Gary Dukeman recreate one in D2
I liked it enough that when he showed me his "Oklahoma Belt Knife, I grabbed it!
ya!
GWB