Labels and filters solve several Gmail problems but demand too much footwork on my part. I found that my Gmail experience got better when I adopted this credo about two weeks ago:
Thou shalt have but one Gmail label, and that label's name shalt be "Needs Reply".
Either it can wait, and be there when I specifically look (search) for it, or it needs a reply. I need to know which emails need replies, and I generally need to label them manually.
Labels beyond this I view as a distraction. I used to label everything, now I label nothing. The fewer you can use the better, I think.
And yet I still want a label or two for all the semi-solicited mail I get. Things that I do not need in my inbox, but ought to be there for my idle perusement: Banana Republic sales, MyHabit "deals", Newegg dailies, Kindle book of the day deals, and so on.
And then there are things like Facebook updates. Nice to know, but I'll get to them eventually anyway the next time I open up Facebook, which I look at about as much as my grandmother checks the weather (read: Every hour, and for no reason).
If this wants to distill my system for me then I'm ready with open arms. Bigger tabs at the top are way better than a hard-to-parse list on the side. Can't they turn it off for a complainer and roll it out to me?