Republic style Walkers
I wonder what the new Republic will use for there "grunt" fighters..Id assume Tie fighters are better more advanced ships. But certainly associated as the "bad guy" ships.
I also wonder about Stormtroopers. Id prefer a new look and return to the color coding of rank etc..
unless boba fett is making an appearence
Most of what I've read implies that TIE Fighters are pretty weak. No shields, secondary weapons, life support, or hyperdrive.
Some ideas:
Republic style Walkers
Republic Heavy Troopers
Republican Guard Troopers
Replace the sword with a lightsabre and the cross with the seal of the Galactic Republic and you have a new faction of the Jedi, the Templars who try to establish a fundamentalist theocratic Jedi Republic.