Hmm, I just got IM back from an associate at SCEE, he said this could be legit, but there is nothing on schedule for SCEA in terms of press releases of this magnitude, all he can see are GDC related stuff and previous releases like the PSP one.
I really think MTV have got their shit mixed up, and as Elandyll mentioned it is pretty ominous that MTV haven't linked or published the PR word for word. I reminds me of this:
http://www.vg247.com/2008/06/29/sony...ystation-edge/
My mate said he would call someone at SCEA in a bit and get back to me, but I don't think this is legit.