Where to find a press release/article for the 4x DVD req'd upgrade?

Greetings, I’ve found this article:

talking about the firmware release for for the DRU-500 however I was wondering if there was any press release/article announcing the new new “third generation” format and how first and second generation hardware would have to be upgraded with new firmware? I need it as proof to my PC manafacturer that if the maker of my drive was going to be releasing a firmware upgrade they would have done it by now.

Any press releases/articles where Sony states there will be no firmware updates for OEM devices would be a god send too.

Thanks for any information