I guess during the redesing the link to procendings was not replaced:
http://www.blender.org/community/blender-conference/blender-conference-2005/proceedings/
There is just a small description, and we can not reach the procedings anymore. It is looking different in comparison to 2006 format for example:
http://www.blender.org/community/blender-conference/proceedings/
I hope thsi can be fixed! Its sad to saw Blender history being erased.

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"First they ignore you, then they lough at you, then they fight you. And then... you win."
M. Gandhi