Most people had the big issue with quality over the first film in the set, and this go around it was re-transferred right from the 2k originals as posted here:

Here is a posting like hundreds you can find elsewhere showing that people really only had an issue with Fellowship of the Rings transfer.

Non-Extended Blu Ray issues - FOTR

So again, this will be THE set to get. cool
2-M60s, VP180, 8-M3s, SVS 20-39PCi, DIY Sub, 8-Shakers, JVC RS45, Anthem MRX-1120