About ten minutes of extraneous LOTR-connection-building so far, not that much in 2 3/4 hours.
Radagast raises the setting's Weird Level by a click or two.
"The bit with the ladder!" may be the new "the bit on the stairs!" although not to the same extent.
Riddles In The Dark almost word-for-word.
Didn't spot Sir Peter, did hear the Wilhelm Scream.
Didn't see it 48fps, can't comment there, looked lovely in regular 2D.