Since Sony, et al.'s hammered out the Blu-ray Disc spec, there's been speculation, theorization, and discussion of an 8-layer 200GB disc. Sony even supposedly had some working 200GB BRD demos way back in 2004. Well, now those mammoth coasters are in the works over at TDK, who apparently hope to commercialize the first presumably quad-layered dual-sided discs (or possibly octo-layered single-sided discs -- yeah, right). They're not giving it up as to when these discs could come out or how much they'll cost, but right now we're more worried about just getting our hands on some players, you know?