1. Darth Thraya (Leader of course! She's Kreia! she's awesome fav Sith ever)
2. Darth Nihilus (DPS)
3. Darth Sion (Tank)
4. The Emperor's Wrath (DPS)
5. Darth Nox (DPS)
6. Darth Plagueis (Healer)
Now according to specifications....
1. Luke Skywalker (Tank, heals, dps/god mode)
2. Han Solo (DPS)
3. Darth Revan (Bipolar Tank/DPS hybrid)
4. Chewbacca (DPS)
5. C3-PO (Healer)
6. R2-D2 (MAJOR DPS/slicer)