DebConf 9 took place from 23 to 30 July 2009, in Cáceres, Extremadura, Spain.(DebCamp starts on July, 16th)
DebConf 9 links
DebConf9 official website http://debconf9.debconf.org/.
DebConf9 wiki http://wiki.debconf.org/wiki/DebConf9.
A summary of the event is available in the 2009-08-06 Debian News.
Videos of the talks are available online
List of the Events (with papers):