I have the following sizes covered by SY:
MPLE
BDLE
MUKLE
S5LE
SODLE
SOD
Regulator
DDF

SR:
Waki

Busse:
HACK
Culty
Skeleton Key (should be on its way to me next week)
Game Warden
HG55
NMSFNO (should be on its way to me next week)
CGFBM

I am skipping on the BOSS and the BW Mistress since I have those covered. Ones I would like is a production Regulator, DMLE, DFLE, Game Warden Skely, Scofa, and whatever else catches my eye.

Men you can't trust, women you can't trust, beasts you can't trust, but Bussekin steel you can trust