A while back Gostai decided that the future of it's scripting language Urbi was opensource and decided to hold a contest to showcase Urbi's functionality.
First place was 2-high with an amazing 'Tower Defense NXT' project. Since the project is opensource there is enough documentation provided to build your own defense system and contribute to ongoing development.
The second place entry from Zappadoc shows of his racing simulator and interfacing Urbi to external hardware.
Third placer turned out to be a tie between Kecsap, porting Urbi 2.3 to the Aibo, and noonv with 'Arduino with a taste of Urbi' for the blog cred.
Congratulations to everyone and more information can be found here.