Here are some interviews with members of the Conquest development team:
IGN interview with Eric Gewirtz (Director of LOTR: Conquest):
http://uk.ps3.ign.com/articles/872/872401p1.html
Crispy Gamer interview with Sean Soucy (lead designer of LOTR: Conquest):
http://www.crispygamer.com/interviews/2008-05-27/the-lord-of-the-rings-the-return-of-the-game.aspx
One ring.net interview with Eric Gewirtz: