This years theme for the 2008 EPIC conference is Being Seen: Paradoxes and Practices of (In)Visibility. Its being held in Copenhagen, Denmark October 15th to 18th. Go to the submissions page for the most up to date information on the different deadlines for Papers, Workshops and Artifacts.
This is the primary conference for people that do applied work in industry, but it attracts a wide variety of people and professions. Besides, if you can get your company to cough up a trip to Denmark, who are you to complain?