For its newsletter subscribers only, newegg offers the Microsoft Sidewinder X4 Keyboard, model no. JQD-00001, for $49.99. Coupon code "EMCJNJD56" cuts that to $44.99. With free shipping, that's the lowest total price we could find by $5, although we saw it for $4 less in August. It features anti-ghosting capability, automatic profile switching, programmable macro keys, and more. Deal ends October 22.