The Tool Store - The Makita DTD171Z 18V Li-ion Cordless Brushless 4-Stage Impact Driver Sells for $299, however head into The Tool Store for an even better on this great tool from
Makita DTD171Z 18V Li-ion LXT Brushless Impact Driver - Batteries and Charger Not Included : Amazon.co.uk: Computers & Accessories
Makita DTD154Z 18V Li-ion Brushless Impact Driver Bare Unit
Makita DTD171Z 18V Li-ion LXT Brushless Impact Driver - Batteries and Charger Not Included : Amazon.co.uk: Computers & Accessories
Makita DTW300Z 18V LXT Cordless Brushless Impact Wrench with 1 x 5.0Ah Battery