I'm seeing quite a bit of overlap with the builds posted here, which is a good thing. It means we all have something in common in what we want to see from Red Mage in XIV. One point of contention I noticed is the difference between people wanting RDM to be either a dedicated enfeebler or a generalist mage, so we should discuss that further.

Personally I prefer the dedicated enfeebler for several reasons:

First, the game presently does not have any dedicated enfeebler and RDM could potentially fill that role.

Second, it seems to me that the current class/job mechanics lean toward a system where none of the abilities or spells are copied exactly between one class/job and another. Making RDM a generalist mage would practically require that this trend would have to be broken to accommodate it.

Third and most importantly, being a generalist mage in XI is exactly what got RDM shafted in party roles. Hell RDM didn't even originally have the Refresh spell, which had to be added to even give RDM any kind of position in a party at all, and which ended up being it's only role for a large part of the game. So basically I fear a repetition of this in XIV if we attempt to recreate a generalist type of Red Mage. A debuffing specialist would be less likely to be forced out of the role it was designed to fill. Don't get me wrong, I really like the idea of RDM as a versatile generalist mage, but it runs the risk of being forced into a specific role that it was not designed for and all that versatility just goes to waste and the job becomes very unpleasant to play.