Pioneer has released a statement saying they have developed a Super Multi-Layered Disc that will play using current Blu-ray players. The disc consists of 16 layers that can hold 25GB of data each, which totals a 400GB Disc. They plan on having a read-only disc available by 2010, a rewritable by 2012, and a 1TB disk by 2013, according to Pioneer.
So because they both use the same PUH they are compatible with BD players but the track pitch is set 10 to 15 nanometers off. So hopefully when they release this new Super-disc in the next couple years we want have to buy a new Blu-ray Player. Here is a chart comparing the two formats.

[via DigiTimes]
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