Last year, just three and already competing at the world-class level, DARwin wowed crowds with his strength and on-field acrobatics. The youngster plays soccer for TEAM SPRInt, the first US team to qualify for the RoboCup, a global competition where soccer-playing robots vie for the world title. And, with the help of their Macs, the Virginia Tech team plans to send DARwin back to the 2008 RoboCup in China.