I haven't read any of the books, so I have no favorites. In that way, it's like watching the Oscars. I don't watch movies until they are either second run or Netflixed, and I only read books in paper back (with rare exceptions for favorite authors). It's a great way to add to your reading list, and/or cross books off that may have sounded interesting in the newspaper review.
The talk of ToB this year is 2666 by Roberto Bolano, a 900-something-page literary steamroller that seems to be leaving the judges awed and breathless, although it is leaving the commentators (yes, there are commentators, just like in the NCAA games) perplexed and a little annoyed that everyone else can overlook the sheer volume of words for the sake of words, the ridiculous sex scenes, the horrifying amounts of violence, and the loose ends never knitted back together, and still claim it as a two-round winner.
Not having read it, I cannot weigh in. However, the commentators have convinced me not to put it on my wish list. I expect to be entertained. Not bludgeoned.
They are through the regionals (Round 1), and they are half-way through Round 2. Check in often for more action!