After someone literally took a page from the unofficial PS mag for the previous post on the topic, another PlayStation.com forum poster (with J Allard 'shopped into "Jak" as an avatar?) decided to spill the beans on the rest of Sony's secret plans for the next generation. They include DVR functionality, "high-def movie and TV episode downloads" in an iTunes/Connect-like way, LocationFree support for the PSP, and a fall release for the system and possibly its online service as well. For a look at the PSM page with all this secret talk, try the publicly available link over here.
Of course, a scan from a magazine doesn't prove anything, as Engadget so rightly states in a recent post. After all, if the PS3 hard drive proves to be optional, and a video input isn't featured on the back, it's highly doubtful that every system (if the PS3 releases in Blu-ray/HDD-separate SKUs) will support all of these capabilities.
[Thanks for letting us know about the scan, Aaron Laine, and thanks to everyone who sent this in]