As you all probably know, Sun SPOTs are available for purchases only in the US (look at http://www.sunspotworld.com/). Systronix, well known in the embedded Java world for its TStik, JStamp, JStik and other cool TINI stuff, gives the opportunity for european customers to buy the Sun SPOT development kit. Take a look at:
They also produce and distribute the TrackBot
a vehicle that can be controlled using a SPOT. Extremely cool!