Amazon already revealed the three different Tron: Legacy Blu-ray & Blu-ray 3D combo packs on the way, from the 2-disc standard edition to the two movie, 5-disc Identity Disc-packaged limited edition but now we know the release date (4/5/11) and info about the extras. On the disc, Blu-ray-only exclusives include the Daft Punk music video for their song Derezzed, plus Launching the Legacy, Disc Roars and The Next Day: Flynn Lives Revealed features (Tron: The Original Classic Special Edition saves a Photo Tronology just for Blu-ray watchers.) If you have an iPad, the Disney Second Screen app that will make