Over at AWizardInDallas's Random Generation website, early this year, he highlighted the many rolling options he has in his dice tray and tower collection. He's got some amazing contraptions there that you should check out!
Dice Tray Maddness: Part I
Dice Tray Madness: Part II
Dice Tower Madness: Part III
His wife also crafts some amazing dice bags that you can check out here-
Project Complete: Shield of Dice Bag Holding!