"As your character progresses in Star Wars™: The Old Republic™, you will gain experience and strength, learning new skills and earning more advanced gear.
The Bounty Hunter is feared across the galaxy for his ability to track elusive prey from the bustling metropolises of the core worlds to the further reaches of known space. As his targets become more evasive and his enemies more powerful, the Bounty Hunter will learn new skills and abilities to match the advanced weapons and armor he discovers during his travels.
Watch some of the paths along which the Bounty Hunter can progress to get a brief glimpse of the armors and abilities available as he grows in wealth and glory."
In addition, G4TV.com reports on comments made by Frank Gibeau of EA Games in which he notes that each of the six character classes will have 200 hours worth of gameplay.