Looking at a new impact driver set. it has become my favorite tool, the one I now use the most and whit impact ready drill bits and spade bits, I use it more than ever. Was looking at the Hilti SID 18V LI-Ion impact driver. How does this tool compare with the newer brushless milwaukee,dewalt,makita,bosch,etc? It is 350-400 dollars, is it worth it. I am a commercial property manager/GC, so it is a tool I use often. Any comments would be appreciated