One of the versions doesn't work with an ISO Tool-created XMB icon of Duodecim and some decrypted DLC, while it loads fine with the same settings while using the Dec 24 release of Prometheus ISO Loader. I'll try 0.7 real quick.
EDIT: Okay, 0.7 worked. Just had an older version.
Cubert: I slightly modified a thing that I own!
Professor Farnsworth: WE'RE MONSTERS!!