I'd give new molds to Optimus Prime and Starscream, since I'd imagine they're very much degraded by now.
Deluxe
1. Jazz-Sports Car. Redeco into Ricochet.
2. Wheeljack-Muscle Car.
3. Huffer-Pickup. Remold/repaint into Pipes.
3. Scavenger-Excavator. Repaint/remold into Digger.
4. Mixmaster-Cement Mixer. Repaint into Mixing.
5. Bonecrusher-Bulldozer. Repaint/remold into Crushbull.
6. Hook/"Hightower"-Crane Truck. Repaint/remold into Ironlift
7. Scrapper-Loader. Repaint into Grandarm.
8. Long Haul-Dump Truck. Repaint into Treader.
9. Swindle-Remold/repaint of Deluxe Hound. Instead of Ravage, comes with new mold cannon.
10. Swoop-Pteranodon. Repaint/retool into Terrorsaur.
(All Constructicons can form Devastator, Devastator's gun assembled from Constructicon's own weapons. Autobot remolds combine into Sixbuilder [Sixbuilder comes in big boxset].)
Voyager
1. Starscream-F22 Raptor. Repaint into Thundercracker, Skywarp.
2. Ramjet-F18 Hornet. Repaint into Dirge, Thrust.
3. Shockwave- Cybertronian Tank. Repaint into Energon Sixshot.
4. Soundwave-Communications vehicle. (resembles Movie Wreckage w/ more communications stuff). Comes with Classics Ravage-scale Laserbeak and Rumble.
5. Vortex-Repaint/remold of Cybertron Evac.
6. Blastoff-F117 Nighthawk.
7. Slag-Triceratops. Repaint/retool into
BW Triceradon.
8. Snarl-Stegosaurus.
9. Sludge-Camarosaurus.
(All Dinobots have realistic beast modes).
Ultra
1. Optimus Prime-Longnosed Semi-truck. Comes with trailer w/lights and sounds. (Optimus itself is a Voyager. Trailer drives up pricepoint). Extensive remold/repaint into Ultra Magnus.
2. Motormaster-Cabover Semi-Truck. Combines with trailer.
3. Grimlock-Tyrannosaurus Rex (new mold). Repainted into
G2 Grimlock.
4. Lugnut-Bomber Plane.
Might add more later.