200GB on one disc... wow. If they can come up with a way to be absolutely positive that the integrity of these babies won't degrade over time, it'll be goodbye tape drives.

"A 200GB Blu-ray laser disc doubles the capacity of TDK's existing 100GB Blu-ray prototype. One of TDK's new 200GB blue laser discs could store approximately 18 hours of high definition video (encoded at 24M bps), a TDK spokesperson said."