Spinal Tap - Criterion Edition
SOTS - Japanese release
Star Wars Episode 1 - Japanese Release
Dune box set - Japanese release - contains theatrical and TV versions
Aladdin box set - includes a making of disc narrated by John Rhys-Davies, book, etc
Both Star Wars box sets
Pretty much every Disney animated feature LD
and Chopper Chicks in Zombietown!!!
For my DVDs, the faves are the extended LOTR editions and the special slipcase I bought that houses all three.