This list is Under Construction but is a gathering of conferences that have featured BioArt and Biological Media works and papers. Please add more to this list or let me know of any conferences that should be included.
Annual Conferences
Ars Electronica www.aec.at
CHI - http://sigchi.org/conferences/
ISEA - http://www.isea2009.org/wordpress/?page_id=6
SIGGRAPH - http://www.siggraph.org/s2009/
iGem - http://2009.igem.org/About
Biennial Conferences
DIS - http://sigchi.org/dis2008/Links