Hitachi 10 gal reserve air tank $59, and 4 tool combo kit $129 and more (Lowes in store, ymmv)
Lowes has Hitachi 10gal reserve air tank, model ua3812a, on clearance for $59.
Hitachi 4 tool combo kit, with 2 batteries and charger for $129.
Hitachi Brushless circular saw, model C18dbalp4, for $69
All in store, and YMMV