i dont like any of the new makita stuff really, but have you guys tried the Milwaukee V28 1/2" impact? that's a beast!!
IR 231 and this Snap-on cordless to change tires at the track
http://buy1.snapon.com/catalog/item...group_ID=19913&store=snapon-store&dir=catalog
Dad just bought one of those a week or so ago, and I just used it for the first time tonight. It's pretty nice.Snap On MG725 (1/2")