Not sure if this was posted in this thread, but IGN has a great tutorial on how to get the best Blu-ray settings from your PS3.
http://bluray.ign.com/dor/articles/...ideo/videos/gear_ps3_blu_settings_121108.html
http://bluray.ign.com/dor/articles/...ideo/videos/gear_ps3_blu_settings_121108.html