A look at 3,4,13,15,16,22,24,48, and 120 sided dice (and Fudge dice)
Some Relevant Links
The Dice Shop Online – https://www.thediceshoponline.com/Default.asp?,https://www.thediceshoponline.com/
Impact! Miniatures – http://www.impactminiatures.com/index.php?option=dicepacks
Magic (Shapeways Shop) – https://www.shapeways.com/shops/themagicshop
The Dice Lab – http://thedicelab.com/
Gamescience – http://www.gamescience.com/