What I WANT to be would be either a Warrior or Barbarian/Berserker. B/B has always been my favorite class to play when my friends and I bust out an RPG like Baulder's Gate or something. They're not as heavily armored as the traditional warriors, but they hit harder, and have more HP, so they can still take some punishment. Weapons of choice would be either two axes or one giant greatsword. I love playing up in the business dishing out boat loads of damage with my physical might.
As for what role I'm BEST SUITED FOR... it's hard to say. I might be able to pull off Warrior still, as I'm fairly athletic and not small in stature (6' and 170 lbs), but I'm not the hulk of a man that I've always envisioned Barbarians to be. Also, I think I'm too big/too clumsy to pull off being a rogue. I don't know how my archery skills are, but I doubt I could pull off Ranger. I used to sing in the choir in highschool, but can't play any instruments, so I don't know if Bard would work. Maybe Wizard, since memorizing complex spells feels like it would be similar to my engineering classes.
Also, I think Paladin would be something I might be good at AND want to actually be, depending on how strict people are with how classes are played. Also when I play RPGs (like Mass Effect or KotOR), I can never play the "evil" role. It just doesn't feel right to me! And since Paladins can now choose their own deity, I could pick one that likes upholding my view of "right." So still basically a warrior there, but with a twist.
tl;dr
WANT: Barbarian/Berserker/Warrior
BEST SUITED: Warrior/Paladin