Seems that the whole cyberspace is packed with GR related links. Some more I just bumped into (I have too much time on my hands):
A clip of Nic and Eva Mendes talking about the love story line of GR:
http://www.moviesonline.ca/movienews_11240.html
An ensemble round table interview for the GR press junket (Nic voices strong opinions in that one, but sounds playful also):
http://www.moviesonline.ca/movienews_11238.html
Another Nic interview on Nesweek:
http://www.msnbc.msn.com/id/17081032/site/newsweek/?from=rss