a good article about why the proponents and opponents of the BCS plus one scheme are for and against it (respectively) on SI:
http://sportsillustrated.cnn.com/2008/writers/the_bonus/01/02/bcs.future/index.html?eref=T1
Finally understand why the rose bowl, big 10, and pac 10 are not keen on the idea. Also interesting stuff about how the tv networks play into the whole thing.