J&R offers the Logitech G600 USB Wired MMO Gaming Mouse, model no. 910-002871, for $58.99 with free shipping. (Click through to J&R to see this price.) That's the lowest total price we could find, outside of the mention below, by $4. The mouse features 20 buttons, 8200 dpi, customizable lighting effects and colors, tilt wheel, and more.

A close price: The Nerds via Amazon charges $55.36 plus $4.99 for shipping.