updated list
Haves:
R5-A2: head/middle leg x2, Complete Droid
R2-L3: Head/middle leg, right leg, left leg
R7-T1: left leg x2, head/middle leg
R4-J1: head/middle leg x2, head(no middle leg)
R4-D6: body
5D5-RA-7: torso, left arm, head
MB-RA-7: torso x2, left arm, left leg,, right leg, head x2
C3PX: Head, torso, right leg x2
U-3PO(champaigne) - torso, left arm
wants:
R4-D6 - head/middle leg, left leg
U-3PO(silver) - left arm, torso