Heh - Tufte lovers unite! I have all three of his books -- the trilogy I guess. Courtesy of my old dot com job.
I just finished back to back, "The Tippping Point" and "Blink" by Malcolm Gladwell. very thoughtful, interesting and easy to read. Quite engaging and incidentally related to a lot of things going on in my little world.
Currently getting into Hackers by Stephen Levy, a gift from a friend. It's quite interesting -- deals with a lot of computer history with lots of good storytelling.
And delving into a gorgeous coffee table book, a kind and generous gift from chimblysweep:
The Golden Age of Handbuilt Bicycles