I figure some of you can post a robot that you've made and win some free batteries. Don't forget to plug SoR
"Simply build something neat that runs on AA, AAA, C, or D batteries, share it on Instructables, and win some eneloop batteries to power your projects in an environmentally safe way!"
deadline Dec 7th 2008
"eneloop Travel Pack. Includes charger, 4 AA batteries, 2 AAA batteries, 2 D-size eneloop spacers, and 2 C-size eneloop spacers. Also, an Instructables Robot t-shirt."http://www.instructables.com/contest/batterypowered/