Dune is getting a new 4K UHD Steelbook release in October.
Zavvi Exclusive collector's edition steelbook boxed set: lots of awesome extras, including The Design of Dune book. But, kinda overkill on the use of the poster image!!! : r/dune
Dune (Blu-ray Collector's Edition) (Walmart Exclusive) [USA]
Dune (2021) (4K UHD + 3D + Blu-ray + CD) Collector's Edition Steelbook – Bluraymania
Blu-ray] Dune Fullslip(2Disc: 4K UHD+2D) Steelbook LE > NEW
Dune - Zavvi Exclusive 4K Ultra HD Steelbook (Includes Blu-ray)
2021 Dune 4K UHD 3D FNAC Blu-ray Steelbook Box Set Ultimate Collectors Edition. New in Box and sealed.
2021 Dune 4K UHD 3D FNAC Bluray Steelbook Box Set Collector Ultimate Edition NIB
DUNE PAIN BOX (REGION FREE/B IMPORT - LIMITED EDITION) 4K UHD/BLU-RAY
DUNE (Generic WWA Version #2 - ORANGE) Steelbook™ Limited Collector's Edition + Gift Steelbook's™ foil (4K Ultra HD + Blu-ray)
Se7en Ultimate Collector's Edition 4K Ultra HD Steelbook 4K - Zavvi US
DUNE ARROW VIDEO 4K UHD DELUXE LIMITED EDITION STEELBOOK UNBOXING
Frank Herbert's - Dune (2000) & Children of Dune (2003) (Blu-ray Collector's Edition) [Australia]
Dune: Part Two (4K+2D Blu-ray SteelBook) [Germany] Hi-Def Ninja - Pop Culture - Movie Collectible Community
Dune : Part Two (Steelbook) (France) - Blu-ray Forum