I'll throw some ideas out there, I'll try not to completely mimic other's ideas but sometimes great minds think alike

Hoth Rebel Hangar:
* Rebel Officer (utilizing Saga Hoth Luke body)
* Two Snowspeeder Pilots (utilizing POTJ Dak Ralter body with 2 unique heads and 2 unique helmets utilized from the Saga Dutch Vander)
* Randomly colored 3PO unit (Saga R3PO)
* Vehicle Maintenance Energizer
Yavin Rebel Hangar:
* Rebel Technician (utilizing Saga AT-ST Han body, a unique head and the Saga Antilles helmet)
* Two X-Wing Pilots (utilizing Saga Dutch Vander with unique heads)
* Randomly colored R2 Unit (Saga Bar2-D2 sans hole in head)
* Hangar bay sled w/ crates
Hoth Attack:
* Two Rebel Soldiers (utilizing parts from any combo of Hoth Soldier/Officer figures, whatever will make unique figures), one should be able to man a trench cannon
* Snowtrooper (Saga)
* Imperial Officer (utilizing POTF AT-AT Commander body, a unique head, and the helmet from Saga AT-ST Han)
* Hoth Trench w/ cannon and cabling.
Home One Rebel Briefing (Part 1)
* Han Solo (should utilize the Saga AT-ST Han head and the VOTC Han body w/ pants painted brown of course)
* Mon Calamari Officer (POTJ)
* Rebel General (utilizing Saga General Madine body and new head)
* Randomly colored 3PO unit (POTJ M-3PO)
* Holographic Table
Home One Rebel Briefing (Part 2)
* Leia Organa (should utilize whatever tooling is necessary to make this figure sit down properly and not have huge hips like the POTJ figure)
* Rebel Soldier (perhaps a Prune Face with remolded face to lose the eye patch)
* Rebel Pilot (A-Wing, Y-Wing, or B-Wing, utilizing previous figures)
* Randomly colored R3 unit (POTJ R3-T7)
* Holographic Endor/DS2 to fit onto Table
Death Star Conference Room (Part 1)
* Darth Vader (VOTC Vader without that stupid rope on the body)
* Admiral Motti (POTF2)
* Death Star Trooper (utilizing Saga Ozzel body, new headsculpt, and POTF2 DST helmet, and Saga RFT blaster)
* General Tagge (utilizing Saga Ozzel body,new headsculpt)
* One half of conference table w/ 3 chairs
Death Star Conference Room (Part 2)
* Grand Moff Tarkin (utilizing Saga Ozzel body, POTF2 Tarkin head)
* Col. Wulff Yularen (utilizing Saga Ozzel body,new headsculpt)
* Death Star Droid
* Stormtrooper (VOTC)
* 2nd half of conference table w/ 3 chairs
Bespin Torture Scene
* Han Solo (utilize POTJ Bespin Han with new arms)
* Ugnaughts (POTF2 2-Pack)
* Black Bespin Guard (POTJ)
* Stormtrooper (VOTC)
* Torture Rack with all the fixings
Jabba's Palace
* Ephant Mon (for all of you who haven't found him yet)
* Weequay (utilizing POTF2 sculpt but with a repaint to match the 2nd Weequay on the skiff)
* Gammorean Guard (OTC)
* Jawa w/ fan (POTF2-CT)
* Han in Carbonite block (POTF2 w/ back filled in)
Mos Eisley Cantina
* Cantina Dude (repainted BoShek with helmet glued on)
* Bannis Keeg (utilizing Ellors Madak)
* Sandtrooper (POTJ a diifferent colored pauldron though and the big hunking cannon)
* Power Droid
* U-shaped bar piece
Battle of Endor
* Two Ewoks (utilizing Teebo, Paploo, and Glider Ewok, one should have a bow&arrow, the other a spear)
* Biker Scout (POTJ)
* C-3PO (POTF2-MMC) w/ throne
* Catapult w/ 2 boulders
Most of the figures require little work, in fact the most work will be in making new headsculpts, of which Hasbro could utilize from other toylines (GI Joe) without anyone noticing a difference. Most of the accessories would be new which would likely cause Hasbro to bump the MSRP a bit, but if they utilize the best figures available to make this set it could work out nicely. More to come as I think of em....