I have no idea. That's what I got. Looks the same when I play it from the disc on the PS3 as well.
I can only guess that it's because a dual layer size was compressed down to 700mb or so?
I have a feeling people are going to be yelling at ME when they see it (if not here, then at the Noid, even though I told them I have nothing to do with the quality), but what can I do?