Mass Effect - PC Classes @ Official Site

A new article called Fields of Discipline provides an overview for three of the six character classes in Mass Effect:

Did you know there are six distinct character classes in Mass Effect, each with a different package of starting and unlockable talents? In addition, if you play well enough to survive the physical and political dangers of the galaxy, you will gain the ability to unlock six more specialization classes later in the game. Your elite recon squad must win an impossible race to stop the return of a brutal enemy. It is imperative that you build and play your character to the best of your ability.