Most Anticipated changed/new Mechanic?

We're just sitting around waiting, but what is the thing you are looking forward to the most in the gameplay?

For me at least it's something we've known for a long time now, skill gems being out of gear. Even extra six links aside, I just want to pick up gear and use it without having to fiddle with getting my gems back in every time. It's such a clear improvement I'm surprised they haven't ported it into poe1 at this point (maybe they just want to preserve the hype for poe2)