Warner Bros announced that the U.S. release date of the Harry Potter and the Deathly Hallows: Part I Blu-ray combo pack and DVD is April 15, 2011. The covers of the sets can be found in the gallery.
WB has also launched the Quest for the Hallows website, which will feature exclusive videos, photos, and never-before-seen footage from Deathly Hallows: Part I. The website can be found here.
Additional footage on the 3-disc Blu-ray/DVD combo pack can be read here.
3-Disc Blu-ray Combo Pack includes:
• Exclusive Sneak Peek of a scene from the highly anticipated upcoming film Harry Potter and the Deathly Hallows - Part 2
• Maximum Movie Mode - Join host Jason Isaacs (Lucius Malfoy), and other members of the cast and crew, on an interactive journey through Harry Potter and the Deathly Hallows – Part 1. Plus, revisit important moments from the previous films to prepare for the final battle that takes place in Harry Potter and the Deathly Hallows - Part 2.
• Dan, Rupert and Emma's Running Competition - While filming the escape scene from the Snatchers in Swinley Forest, Dan, Rupert and Emma engage in a little competition of their own. With colorful commentary by Director David Yates, see the competitive spirit on set and this hilarious rivalry between the three leads.
• The Seven Harrys - See how Daniel Radcliffe recreated the personalities of the different characters that transform into Harrys in the hilarious Privet Drive scene.
• On the Green with Rupert, Tom, Oliver and James – Accompany Rupert Grint (Ron Weasley), Tom Felton (Draco Malfoy), Oliver Phelps (George Weasley) and James Phelps (Fred Weasley) for a round of golf and get a glimpse into their 10-year friendship that developed while making the Harry Potter films.
• The Wizarding World of Harry Potter Promotional Trailer - Join Daniel Radcliffe, Rupert Grint, Emma Watson and other cast members from the Harry Potter films on their first visit to the Grand Opening of The Wizarding World of Harry Potter.
• Additional Scenes
• Harry Potter and the Deathly Hallows Part 1: Behind the Soundtrack
• Standard Definition DVD of the feature film
• Digital Copy of the feature film
Amazon.com -Harry Potter and the Deathly Hallows, Part 1
Harry Potter and the Deathly Hallows, Part 1 (Three-Disc Blu-ray / DVD Combo + Digital Copy)
Amazon.co.uk -Harry Potter And The Deathly Hallows Part 1 [DVD] 
Harry Potter And The Deathly Hallows Part 1 - Triple Play (Blu-ray + DVD + Digital Copy) 
Harry Potter and the Deathly Hallows Part 1 - Limited Edition Triple Play Steelbook (Blu-ray + DVD + Digital Copy)
Harry Potter Collection - Years 1-7 Part 1 [DVD]
Harry Potter Collection - Years 1-7 Part 1 [Blu-ray]