I think that a lot of people wishing for Chemist do not think about the fact that any new healer will be a mage, otherwise it would need its own set of armor (which I don't see happening). Sharing armor with some other jobs wouldn't work, either, since it would be the only healer to have Direct hit and other DPS stats readily available, making more work for them to balance (which is the exact opposite of what they appear to be going for). I'm thinking that we'll end up with a Sage, Oracle, or Time Mage as the next healer.