Extreme Lego Workshop - Joe describes his experiences with XP using Lego Mindstorms as the platform. Good stuff:
Our customer wandered over all excited about the amount of work he could see going on and asked if he could see anything yet. We showed him our software program and a single wheel spinning on our test brick. This wasn't what he wanted to see - he wanted to see a dragster.
He wanted to see a dragster and we showed him a spinning wheel!