Newegg offers the Logitech G602 Wireless USB Gaming Mouse, model no. 910-003820, for $39.99 with free shipping. Plus, this purchase unlocks three Dragon Age: Inquisition in-game items. That's tied with our mention from last month as the lowest total price we've seen for this mouse. (Aside from the mentions below, it's a current price low by $5.) This mouse features 11 programmable buttons, 2,500 dpi, and up to 250 hours of battery life per charge.
A close price: Amazon and Best Buy sell this mouse for $40.99 with free shipping.