I have:
Anakin Ep II
Anakin Ep III
Luke ROTJ version 2.0
Vader Ver 1
Vader Ver 2
Mace Windu
I have another Anakin Ep II with the blade removed so it can be worn too.
I'm going to get the Darth Maul ones next.
Hopefully they will have the Obi Wan ones at Comic Con