Groupon offers the SteelSeries World of Warcraft: Cataclysm MMO Gaming Mouse, model no. PN62100, for $64.99 with free shipping. That's the lowest total price we could find by $4. This wired laser mouse features 14 programmable buttons, over 130 predefined commands for drag-and-drop macro creation, adjustable LED lighting intensity and colors, and support for up to 10 user profiles.