3D Space - Singleplayer AND Multiplayer.
A Starship Pilot skill tree.
Ilum overhaul or completely new pvp zone like a DAoC RvR frontier zone. ie capture upgradable keeps + keeps similar to relic keeps, that if captured, it benefits the whole faction via small + stats, keeps be possible to be claimed by guilds etc.
Minigames such as Pazaak, Swoop racing both Singleplayer AND Multiplayer.
Massive cost reduction for Legacy perks (only when unlocked or when appropriate Legacy level to unlock it)
Appearance tab.
Ship/housing customization ie furniture like in swg/colours/appearance/naming of ship.
Better armour designs; more Star Warsy designs, more 'cool looking' factor. Robes for all Jedi, proper dark and light etc. and not too elaborate like robotics, spikes and bollox.
A third faction, to introduce 3 way faction pvp.