The Combat System, as I've seen it, (others may correct me in areas I may be wrong - or where the Re-Work changes things) basically will go as follows:
Gear will still make a large portion of your Character. (it may not be as much as other MMO's, but still a decent sized-portion.) Tab-Targeting will eliminate a HUGE amount of Player Skill needed. From what I've seen of the Combat Re-Work, everyone will basically just Key-Spam a specific Combination of Buttons to do their Attack Chains. Learning your Combat Chains may take some time though, because as you gain Skills, you have to learn how to incorporate them into the Chain (and there 'may' be a UI that pops up that tells you what Buttons to hit & when to keep the Chain going, from what it appeared like).
Stances will primarily be:
Defensive Stance - DPS Stance - Survivability Stance - Healing Stance - Buffing Stance - etc.
(of course, all Class / Character / Player Dependent.)
So to put it out there as bluntly as I can: I hope you get what you're looking for within Bless, but in this instance, I don't think you will unfortunately.
Please, correct me where I may be wrong people & thanks, if you do.