Terry Halpin’s website notes a couple of upcoming conferences with ORM content:

"The Sixteenth DAMA International Symposium and 8th Meta-Data Conference will be held in Los Angeles, California, May 2 - 6, 2004.... Terry Halpin will present in a paper session, a night school, and a panel session."

"The European Business Rules Conference will be held in Amsterdam, The Netherlands, June 16 - 18, 2004. This conference includes a half day tutorial by Terry Halpin on Business Rules and ORM."

Watching Terry talk about ORM is always worth it, so check it out if you can.