The 2007 Human Factors and Ergonomics Society conference will be in Baltimore, Maryland from October 1 - 5. You can get basic information about the conference here:
http://www.hfes.org/web/HFESMeetings/07AMregistration.html
There are several presentations that fall under the Product Design Technical Group, including the sixth annual User Centered Design Award. The easiest way to browse information about these sessions is to follow the link below, then select "Product Design" under the technical group selection:
http://submissions.miracd.com/hfes2007/Itinerary/SearchHome.asp
But don't limit yourself to just those presentations that fall under Product Design. There are a number of relevant presentations and posters in areas such as aging, healthcare, industrial ergonomics, and safety, to name a few.