Another Format War: DVD -R9 v. +R9

Anonymous Coward writes "Just when we thought the dust settled on the last format war between CD-R's we see a new one brewing with DVD recordable discs. DVD -R9/+R9 will apparently be the next technological slugfest where there are no rewards for second place. With all of these new recording format options made available to the public, how can any consumer intelligently know which one to buy into?"