The difference between the source and the final result is subtle, still it's noticeable; contrast is finally right (before the black bars were... well, grey!) and the grain gives back the texture and perceived details lost in the high compression, while masking the little compression artifacts; this is a good thing for a fan preservation, where you take a good source and make it better without change it too much; good job!

Now we are awaiting for the DTS-HD MA track, that will be perfect for sure, thanks to your experience!

The only missing part now is the BD menu (and eventual intro)...