I agree on collecters item u could use it but sooner or later the batteries will die i talked to a guy about those batteries he converts them to lithuim ion i am thinking about doing a couple after all of mine die
I would say makita or hilti or bosch because reliability of the tools and makita has a huge 18v line up but just my 2 cents . I have seen the insides of quite a bunch of tools cleaning and repairing . I see what holds up and what doesnt