Amazon offers Prime members the Logitech F710 Wireless Gamepad for Windows, model no. 940-000117, for $29.99 with free shipping. (Fry's Electronics charges the same; Non-members can spend over $35 for free shipping; otherwise, it adds $8.61.) That's the lowest total price we could find by $11. It features dual-motor vibration and 10 programmable buttons.