Probably the best article I've read on the subject, and it's written by a Lucasarts employee to boot. Very insightful and informative... thought you guys might enjoy it.
http://www.gamesetwatch.com/2011/03/opinion_brian_moriartys_apolog.php
http://www.gamesetwatch.com/2011/03/opinion_brian_moriartys_apolog.php
"I'm afraid of OC'ing my video card. You never know when Ogre Calling can go terribly wrong."