Uniea (www.uniea.com) has debuted a plethera of cases for the iPhone 5.
They range from the U-Motion Runner Series (pictured) to the Colorama Folio. Prices range from US$19.95 to $34.95. You can find a complete list of the cases at http://www.uniea.com/iPhone-case/iPhone-5-case/286.aspx .