Bld522, I like your idea for a basic collection.
Mine is first the basics

Dogfather: Big Bowie chopper
Mischief 6: General purpose fighter
Scrapyard SS4: EDC

If you are like me you will want special purpose knives here are some that while not Busse kin fit with the general hard use theme.

CRKT Sting: Boot Dagger
CS Tru Flight: Thrower, back up

Sykes Fairbain Commando Knife : Murder weapon ,As the originals are very expensive and later wartime ones of dubious quality either a decent replica or the Applegate Fairbain made by Boker would be acceptable. For some reason no one has made a good version without trying to improve it and ending up screwing them up.

Spyderco Endura ZDP: Any good folder would do I picked the ZDP Endura as it will be my next folder purchase. If funds are an issue get the Byrd Flight G10 it will be the best 30 you ever spend(other than that czeck girls lap dance).

Busse Ruck: Home defence weapon ,I prefer a more traditional look so I have a cheness katana.

Gerber Sport: Multitool ,I will be replacing this with a Byrd tool when they come out.