Well I've hit 50 and I'm going through the game on my second toon now. I've been dreaming up some expanions in my free-time.
The Tides of Dac
New Races: Mon Calamari (Republic Side.)
Quarren (Sith Empire)
Planets/Zones: Dac AKA Mon Calamari the planet. (Large Leveling Planet.)
Rhen Var: Medium sized planet with many PVP zones.
Dantooine: Leveling planet
Warzones: King of the Hill type Warzone based around controlling moving positions
In space Warzone: Take a shuttle to the enemy ship and plant bombs on Engine Controls/ Life support Ect.
Level Cap: 60?
Flashpoints: 1 new flashpoint for each new planet. One new Mission/Raid whichever you prefer.
Cosmetic Organic Mounts: Dewbacks/nerfs/Veractyl. Possible a +60% Movement speed.
Classes: I have no idea leave some suggestions.
Well thats all I have so far, so leave your comments, QQs, flames, love notes, SS number, or anything else below.