Best Buy via eBay offers the Corsair M65 Laser FPS RGB Gaming Mouse in Black, model no. CH-9000109-NA, for $49.99 with free shipping. (Amazon has it for the same price.) That's the lowest total price we could find by $30. This aircraft-grade aluminum mouse features an 8,200 dpi laser sensor, eight programmable buttons (including a dedicated sniper button), customizable 3-zone color backlighting, and selectable response time.