I don't know. Instead of a simplification it sounds like a complication. I think it's more simple when the mechanics work the same regardless of situation.
Besides, you won't ever need to switch out skills since you'll have 12 quick-action bars! Well at least a few, hopefully.
OptionsIt would be nice to have an option to specify where the save games will be put. Practically no game does this and you have to look in 10 places to find the saves for a particular game. Would make backing up simpler, too.