Inbox Zero 1
I've known about the Inbox Zero concept for a while now and I have applied many of the ideas from Getting Things Done to my life but still could not stay ahead of the curve with regards to my email. I have 9 email accounts that I check which amounts to quite a bit of traffic...
I recently switched all of my accounts to point to my mail Gmail account, watched the Inbox Zero video again and started applying it with a vengeance - labeling and archiving as much as possible etc.. I'm having great success with it personally and highly recommend you look into it.
Here's the video given by Merlin Mann at a Google Tech Talk: