It's a shame that they're not having two streams - the ultra low cost machine delivered to their intended target, and a commercial machine delivered to the thousands of hackers who've expressed very real interest.
The hacker stream could be slightly more expensive, and would help (or entirely fund?) distribution and documentation and etc of the low cost stream
Also:
> Mr Braben got his start in games thanks to the BBC Micro on which he, and school friend Ian Bell, created pioneering computer game Elite.
The BBC micro was pretty expensive, and normally found in schools or homes of well off families. So I'm glad he's decided to get a really cheap capable machine in the homes of people who could use it, rather than an odd niche gimmicky development board.
There's some things wrong with English education, especially with technical subjects at all levels, and it's nice to see someone side-stepping the political nonsense and delivering something that might actually help.
I wonder which of today's 12 year olds will turn up in 15 years time saying "I started with a Raspberry PI".