Imperial Agent - Operative (uses blaster rifle or energy blade, stealth, burst ranged damage) & Sniper (sniper rifle, dps - counterpart of Gunslinger)
Sith Inquisitor - Sorcerer (force damage, single bladed lightsaber) & Assassin (double bladed lightsaber, stealth, burst damage)
Bounty Hunter - Powertech & Mercenary
Jedi Consular - Shadow (double-bladed lightsaber) & Wizard (healing / single lightsaber)
Trooper - Commando (heavy armor, tank) & Vanguard (dps)
From: http://darthhater.com/2010/08/18/darth-hater-gamescom-2010/
The only problem I have with, are the names (really, Jedi Wizards??!)..