So, I bit the bullet today: I switched my Gmail over to the new look. I figured I'll have to do it sometime, and I might as well do it now, while I'm shaking up all my old habits with fancy labs. If you remember, sharebros were not too happy about the Google Reader redesign, and even more people are likely to be miffed by the Gmail one. According to Google it's "cleaner and more modern," which apparently means "has a lot of white space where useful information used to live." For the moment, you can stick with the old look, but there's also a display mechanism built in that looks a lot more like traditional Gmail without straight-up being the old format. It'll come in handy when they kill off the old one for good.
Read on...