Strategy+Business publishes a great business book list every year. You can look back at the 2003 and 2004 lists to see what I am talking about.
I am going to give you rundown on categories and the books in each. The link on the category will take you to the s+b essay.
Buddies Bill Gates and Warren Buffet held a big Q&A event at the University of Nebraska in late September. They did a similar thing in 1997 at University of Washington. Fortune was there with them and interviewed the two afterwards.