Pioneer and Mitsubishi announced they developed a disc which reduces the manufacturing costs.

News at cdrinfo.com

However, current Blu-Ray drives cannot read the newly developed BD-R discs. That because the reproduced signal while reading the discs has a LTH (Low to High) polarity. Pioneer will possibly release a new BD drive in the future that will support reading of the LTH discs, although a firmware upgrade on existing BD drives could possibly add support for them.

Holy christ. Just what we need, yet another incompatible disc for Blu-ray.

We have now 5 formats, BD, HD-DVD, CH-DVD, HD-VMD and BD LTH, great !

Kinda makes you wonder why Fox is so worried about their Blu-Ray discs being ripped off. Considering the things you hear about problems such as this, it's less hassle to just save your money and buy the official release. On a similar note pertaining to illegal copying, it's been awhile since I checked, but do they even manufacture blank dual-layer BD discs?

Yes, dual layer discs are out but they're pricey.

http://www.sonystyle.com/webapp/wcs/...umber=BNR50AHE