These newer combo drill sets all have some amazing power and are much lighter than previous models. The industry has moved to 20 volt batteries which offer a lot of torque for a battery operated drill. I have been able to use and test all of these brands and I can tell you they are much more efficient and easier to use. The grip, design and weight of a great drill can be the difference in relation to fatigue on an easy or difficult project. The Dewalt sets have the XRP line w