TigerDirect offers the factory-refurbished Logitech MK550 Cordless Desktop Wave Keyboard / Mouse Combo in Black, model no. 920-002555, for $29.99 with free shipping. That's $10 under our July mention of a new unit and the lowest total price we could find for a refurb by $12. This ergonomic keyboard comes with a Logitech cordless laser mouse. A 3-month Logitech warranty is included.