I had the pleasure of seeing this exhibit today in Victoria, BC.
http://www.royalbcmuseum.bc.ca/titanic/default.aspx
If you have the opportunity to see this exhibit, do. It was very moving and interesting. It's in Victoria from April 14 - October 14, 2007 and then I'm not sure where it globes-trots to, next.
eta:
http://www.rmstitanic.net/ It looks like there are several of these Titanic exhbits, including Colorado, Florida and Las Vegas.