Quote Originally Posted by Sylve View Post
The problem is, currently, a SCH handles damage preperation and the WHM handles restoration in large chunks.

If an AST could do both at once with nothing more than the press of a button, suddenly AST+AST becomes the best heal comp, period.
That assumes a lot. A large part of why people avoid SCH+SCH right now is because Galvanize doesn't stack at all, so what makes you think AST shields will stack? Especially given that SE's response to SCH/SCH not stacking is to let one of them go pure heal? And we've already been told they don't have the throughput of the other two classes, so taking two healers who don't have throughput would be a bad idea.