You and everyone else. I'm just taking a wait-and-see approach, on the off chance the new tab categorization stuff makes the new design usable. Otherwise, I'll have to trade a couple hours of battery life and some overall system performance and switch to... something else. Probably FF or a light alternative Webkit browser. Hell, there's hardly a task I do that doesn't put me at at least 10 open tabs, which is already too many for the new design, then if someone comes along and says "hey can you take a look at X real quick", well, now I might be at or over 20 (I find multi-window browsing horribly obtuse unless I have 3+ monitors). And you know what? I'm not always great about closing all my tabs the second I finish a task, and I don't really want to have to do that.
We'll see how it works, but I'm not optimistic. It looks batshit crazy. I can imagine something involving a highly-capable quick-search-to-find-tab system making it better than what we have now, or at least not-worse, but dunno whether they'll be including anything like that.