Unconfirmed: Diablo III Release Date and System Reqs

The guys at Kaputik claim to have confirmation from "associates working on a Diablo III game design" that Blizzard intends to launch an online beta multiplayer trial version of the game on September 11th and the full retail version of December 24th (Christmas Eve). They also appear to have the full system requirements, which you'll find below:
The release date for the online beta multiplayer trial version is currently set to:

11th September, 2009

The final version, available for purchase is to be released before Christmas:

24th December, 2009

The system requirements are likely to be:

PC:
Operating System: Windows XP/ Vista
Processor: 1.4GHz or higher CPU.
RAM: 1Gb or more.
Video: 128Mb video card Dx9
Hard Drive Space: 4-8GB

Mac:
Operating System: MacOS X 10.3 (Panther) or better.
Processor:1.6GHz or higher.
RAM: 1Gb or higher, DDR RAM recommended.
Video: 128mb ATI or NVIDIA video card
Hard Drive Space: 4-8 GB
Believable? Maybe.