Just a helpful hint.... If you do a software update to get your PS3 at the most current version, you will have no problems playing this disc.
I had the loading error myself, but then read the note in the box saying that you may need to upgrade to the latest version of the firmware, I did so, and have had no problems whatsoever... No having to disconnect the internet or anything... Just the simple software update.
Hope it helps some.
-K