I found Obi Wan today, and that makes my need list even shorter. It consists of -

Bib Fortuna
Bossk
Vader ANH
Vader ESB
Gammorrean Guard
General Madine
Greedo
Han ROTJ
Scanning Trooper
Lando ESB
Lando ROTJ
Leia ROTJ
Scout Trooper
Snow Trooper
Tie Pilot
and Tusken Raider, oh and that holo Emperor