Here is a nice video of the CCC Camp 2007 which took place last summer.
Chaos Communication Camp 2007 Documentary Video
(here is an alternate link if this one is too slow)
The mood and general feeling were just incredible there. While watching, you could pay attention at 00:24:30 for instance *cough* 
Furthermore, you’ll find very good lecture videos from the CCC camp and the CCC congress 2007:
Enjoy!
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