As you can see in my profile I'm both PLD and WAR 50, my favorite was Warrior, GLD seemed to boring in low levels.

After tanking Ifrit HM and some AK runs on Warrior I decided to try PLD, now my fav is PLD simply because with the same gear I can tank much better, staying on red stuff due to lag isn't so /panic anymore, and the general impression of people in pugs is that it is better.

Try PLD, I think you'll like it more end game.