I just started playing FFXIV a couple weeks ago (Steam sale pickup). After some playing around with different classes and jobs, I think I've settled on WHM. I might second as PLD, but WHM is where I'm at, I think.

What is healing done right, and what is healing done wrong?
Also, I'm an older guy, and speed is an issue, I'm not quick like you kids. Is there a way to set macros or even just something like how the tab key cycles through enemies, but for your own party?

To give you an idea of where I am in the game mechanics, I just figured out today that Stoneskin is great to cast on the nontanks, but pretty useless on the tank, and that Regen rocks all kind of awesome. I only hit level 35 today.