Lowe's offers the Porter Cable 6-Gallon 150-PSI Oil-Free Pancake Air Compressor, model no. C2002, for $99. Coupon code "47000RRRRR2404R" cuts it to $89.10. With free shipping, that's tied with our mention from last week as the lowest total in-stock price we've seen. (It's a current low by $29.) It weighs 34 lbs. and features a low-amp 120-volt motor and two air couplers to support two users.