The Amazon page for My Little Pony, Friendship is Magic: Princess Twilight Sparkle has now been populated with information.
The DVD has an April 30 release date; this was the mysterious “April DVD” floating around for awhile. The list price is $14.97 but is available for pre-order from Amazon for $12.99.
The DVD is a single, region 1 disc at 120 minutes. It includes the episodes Games Ponies Play, Magical Mystery Cure, MMMystery of the Friendship Express, Magic Duel and Lesson Zero.