>>http://www.raspberrypi.org/
>
>Nice page, all hype and one drawing, from which I infer it's an electronic device, and nothing more. It could be anything, from a remote can opener to a detonator, the page doesn't say.
>
>If from the first page I can't glean what the is it, I'm gone.

If you looked at it today, you're probably getting:

"We've temporarily changed to a static site, while we're experiencing a very high level of traffic for the launch of the Raspberry Pi. The full site will return once traffic levels have subsided, hopefully later on today."

As usual, WIYF: http://en.wikipedia.org/wiki/Raspberry_Pi