Ending today, Newegg offers the refurbished Corsair Vengeance K70 Mechanical Gaming Keyboard in Black, model no. CH-9000011-NA, for $77.99 with free shipping. That's tied with our July mention and the lowest total price we could find by $42. This well-reviewed keyboard features Cherry MX Red switches, a removable wrist rest, customizable LED backlighting, multimedia controls, and optional textured WASD and 1 to 6 keycaps.
A 90 day warranty applies but it is unclear who backs it.