Porter Cable via eBay offers its factory-refurbished Porter Cable 20-Volt 1/4" Cordless Impact Driver, model no. PCCK640LB, for $59.99 with free shipping. That's $39 under our January mention of a new unit and the lowest total price we've seen. (It's also $74 less than a new model today.) It features an LED work light, battery fuel gauge, and 1,450 in.-lbs. of torque. A 1-year Porter Cable warranty applies.