1. Summer 2004: Return of the King Theatrical Version (2 discs)
2. Christmas 2004: ROTK Extended Edition (4 discs)
3. Christmas 2004: Trilogy Box set (6 discs + bonus disc)
4. Christmas 2004: Trilogy Box set Extended Edition (12 discs + 2 bonus)
5. Christmas 2005: Book 50th anniversary Book + DVD collectors pack (12 discs + 2 bonus discs + Life of Tolkien disc)
6. Summer 2006: Hobbit Theatrical DVD (2 discs)
7. Christmas 2006: Hobbit Extended Edition (4 discs)
8. Christmas 2007: Tolkien Megapack LOTR+Hobbit (8 discs + 2 bonus discs)
9. Christmas 2007: Tolkien Megapack Extended Edition LOTR+Hobbit (16 discs + 2 bonus discs)
10. Christmas 2008: Silmarillion 12-part TV drama DVD box set (6 discs)
11. Summer 2009: Silmarillion series 2 DVD box set (6 discs)
12. Christmas 2009: Silmarillion collectors box set (12 discs + 2 behinds the scenes discs)
13. Christmas 2010: LOTR+Hobbit+Silmarillion Extended Edition Collectors Pack 10th Anniversary Edition box set (35 discs)
14. Christmas 2011: Where-are-they-now?-interview collection (10 discs)
15. Christmas 2015: Book 60th anniversary limited edition illustrated hardback + Extended Edition DVD crate (40 discs)
16. Christmas 2020: 20th Anniversary Digitally Remastered Extended Edition LOTR+Hobbit+Silmarillion + making-of-the-DVD disc + interview collection + Farmer Giles of Ham 30-second Nike advert + hardback collection (90 discs)

This assumes DVDs will remain the primary film distribution medium for the next 15 years. Duplicate the above list for each additional format released between now and then.