How do you concentrate?
bham: For the love of all things good in the world, block Google Reader.I disable auto-checking for new email.Quit Tweetie.Quit your IRC client.Listen to some slow, drone-like ambient music (favorite: "The Tired Sounds of Stars of the Lid" or a Buddha Machine).Also, while in school (when I really had to and wanted to concentrate), I had very good success listening/experiencing binaural beats.
http://en.wikipedia.org/wiki/Binaural_beats