Best Buy has Logitech G900 Chaos Spectrum Optical Gaming Mouse (910-004558) for $74.99. Select free store pickup if stock permits.
http://www.bestbuy.com/site/logitech-g900-chaos-spectrum-optical-gaming-mouse-black/5204603.p?ref=8575135&loc=0e3201a040d611e7865232f5ccbf389d0INT&acampID=0e3201a040d611e7865232f5ccbf389d0INT
http://www.bestbuy.com/site/logitech-g900-chaos-spectrum-optical-gaming-mouse-black/5204603.p?ref=8575135&loc=0e3201a040d611e7865232f5ccbf389d0INT&acampID=0e3201a040d611e7865232f5ccbf389d0INT