Interesting thoughts here, and though I prefer not to speculate too wildly, but.....

Remember that in a largely persistent world and personal storylines, it must be possible to play large parts of the game solo, hence no monk class. This also means reasonable self-heals (already declared), with maybe support for group heals from some racial skills, or class skills. It also should mean that all classes have reasonable damage output.

Now, we already know the following from ...