Jensen Ackles' Ten Inch Hero DVD and shirt are now available for pre-order for April 18th delivery.
The Region 1 DVD has Special Bonus Features including:
Cast and Crew Interviews / Behind the Scenes Footage
In the Studio: Recording Original Songs
The Trailer
Deleted Scenes
Outtakes
Commentary by Director/Producer David Mackay and Producer Mark Witsken
Source: Ten Inch Hero Blog, Ten Inch Hero Store.