DVD releases

Serial Mom – May 6, 2008
Teeth – May 6
I’m Not There – May 6
The Muppet Show: The Complete Third Season - May 20
Transformers (Blu-ray) - May 20
Face/Off (Blu-ray) - May 20
Next (Blu-ray) - May 20
Bee Movie (Blu-ray) - May 20
Grizzly Park - May 27
Rescue Me: The Complete Third Season - June 3
Cloverfield (Blu-ray) - June 3
There Will Be Blood (Blu-ray) - June 3
Jericho: The Complete Second Season - June 17
Spiderwick Chronicles - June 24
Stargate Atlantis: The Complete Fourth Season - July 8
Spaced: The Complete Series - July 22
Dexter: The Complete Second Season - August 19

While there's no date yet, you can pre-order the Blu-ray Firefly.