Yeah, the proposed overhaul to the arcanist is pretty extensive and I expect that other classes will be getting it too. The big one that I see as needing it is the Warpriest. I love the idea, but as its written its not really any better than a multiclassed fighter/cleric and it feels blah. That really stands out, since many people had the same complaint about the arcanist feeling like it didn't bring anything new to the table. I really like the look of the bloodrager although I haven't really had a chance read through.