Today only, save up to 65% on "Firefly: The Complete Collection" plus other Joss Whedon titles like Dollhouse, Angel, and Buffy all as part of Joss Whedon Day in the Gold Box.
Some of the items available include:
Firefly: The Complete Series [Blu-ray] $18.49 [DVD] $13.49
Buffy the Vampire Slayer: The Complete Series [DVD] $65.99
Angel: Complete Series [DVD] $55.99
Dr. Horrible's Sing-Along Blog [Blu-ray] $7.49
Serenity [Blu-ray/DVD Combo + Digital Copy] $8.49
Both seasons of Dollhouse are available, and more.