Found these out at IGN

"Kubrick Special Editions: Four films - 2001: A Space Odyssey, A Clockwork Orange, The Shining and Eyes Wide Shut - all mastered in standard and high defintion (released in both formats on day & date). Eyes Wide Shut features the international cut of the film, fully restored and mastered for DVD."

"Superman 14-Disc Ultimate Collector's Edition: This set will include all of the films released in the Superman series, including Superman, Superman II, Superman III, Superman IV: The Quest For Peace, Supergirl and Superman Returns. Richard Donner's cut of Superman II will be available for the first time ever, featuring between 20 and 40% new footage and tons of never-before-seen material. This set will be available on day and date in both SD (standard definition) and HD (high defintion) versions."