Would you buy them?
Castlevania The DS Collection
-Dawn of Sorrow, Portrait of Ruin, Order of Ecclesia, and Legends (bonus)
-full text of Kabuchi no Tsuisoukyoku
-"playable" copies of the Battle of Old Castle and Legend of Satanic Castle gamebooks
-a look at the EGM fax/internal reference document with commentary
-art gallery, cut content, scans, and music player
Castlevania Lament of Innocence & Curse of Darkness Double Pack
-the above two games and CV 64/LOD (bonus)
-the LOI mobile manga
-both volumes of the COD manga by Ko Sasakura
-the Prelude of Revenge manga by Ayami Kojima
-full text of the Demon's Blood, Blood Nightmare novel
-insight into the cancelled SOTN sequel
-art gallery, cut content, scans, and music player as usual
All games in both collections would be fully remastered for all major platforms complete with trophies/achievements, just like the Anniversary and Advance Collections before them.
Well? Would you?