Blue Underground Django, the best version?

[Pizzamorg]

What is better, Blue Underground Django or Argent films version? With the way the Blu-ray.com reviews read, Argent have done further work with the transfer but it comes with a lower score, and a final "avoid" but how can that be when the review of the quality of the picture for Blue Underground's release is so loving and comes "strongly recommended" and they have apparently done less work with it?

Also, while we're here, I see it's region locked so that sucks, are there any mods I can do to my PS3 or will I have to fork out for a region free player?