I'm currently at Gamescom in Germany, and I've attended, among other things, a presentation of Star Wars: The Old Republic. I'll be posting more info later, for now, here's a quick update on Advanced Classes:

• Sith Warrior
  • Sith Juggernaut - single saber/heavy armor, fear and dark side auras, tank
  • Sith Marauder - dual-wield sabers/armor, saber fighting specialist, melee damage
• Sith Inquisitor
  • Sith Assassin - double-bladed saber, stealth, burst melee damage - e.g. Darth Maul
  • Sith Sorcerer - single saber, force lightning, force drain, ranged damage or healer - e.g. Palpatine
• Bounty Hunter
  • Powertech - flamethrower, defense/energy sheilds, tank
  • Mercenary - dual-wield guns, missiles, ranged damage
• Imperial Agent
  • Operative - blaster rifle/energy blade, stealth, burst ranged damage
  • Sniper - sniper rifle, cover/ambush/orbital strike ranged damage
• Jedi Knight
  • Jedi Sentinel - dual saber, saber fighting specialist, melee damage - e.g. Anakin Skywalker
  • Jedi Guardian - single saber/heavy armor, leadership/party buffs, tank - e.g. Obi-Wan Kenobi
• Republic Trooper
  • Commando - heavy blaster cannon, grenades, ranged damage
  • Vanguard - blaster rifle, energy shields and defense tank
• Smuggler
  • Scoundrel - blaster shotgun, stealt/medicine, burst damage or healing
  • Gunslinger - dual pistols, qickdraw/fast attacks, ranged damage
• Jedi Consular
  • Jedi Shadow - double-bladed saber, stealth, burst melee damage
  • Jedi Wizard - single saber, telekinesis/healing, ranged control/damage or healing