Walmart offers the Bostitch 18-volt Lithium 2-Tool Combo Kit, model no. BTCK410L2, for $140.72 with free shipping. (Amazon has it for the same.) That's the lowest total price we could find by $59, excluding the mention below. This kit includes the Bostitch 18-volt 1/2" Lithium Drill/Driver, Bostitch 18-volt Cordless Lithium-Ion 1/4" Hex Impact Driver, two Lithium Ion batteries, and 18-volt Lithium Ion charger.
A close price: Target charges $140.99 with free shipping.