Raspberry Pi was well represented: Alan Mycroft (one of the Foundation trustees) demoed the RasPi and and also gave a plenary on how and why it came to be. There was also a workshop* on the Raspberry Pi User Guide where you could sign up to 'field test' the manual with your pupils to help polish the final version.
Anyone else go?
---
*I have to agree with Alexi Sayle here that anyone who uses the word 'workshop' outside of light engineering is a t**t. But that's what they call them