The staff in general seems much more competent than Blood+'s staff. On the animation production end there are quite a few GitS:SAC guys, and it's impressive that CLAMP is really writing this, and not just scribbling some notes down for other writers to adapt. Getting hyped!
Here's the Japanese press release:
http://journal.mycom.co.jp/news/2011/04/09/002/
And here's the key visual by CLAMP: