Philip from infochimps posts the results of some heavy Twitter scraping. Data for 2.7 million users, 10 million tweets, and 58 million edges (i.e. connections between users) to satisfy your data hunger are available for download. I know a lot of you social network researchers will especially appreciate the big dataset, and best of all, Twitter gave Philip permssion to release. Yes, you could use the Twitter API, but isn't it better when someone does it for you?
Download the data here. The password is the Ramanujan taxicab number followed by the word
'kennedy' - all one word. Google is your friend, if that doesn't make sense.