I picked up a couple of those Chinese grinders at our local job lot store this summer. At $15 apiece I had to grab two. I use an air grinder for my cut off work so no advise there. I have had good luck with Dewalt tools though. I've cut up entire cars using their Sawzall & also have one of their metal chop saws. For ocassional home use any of the brands discussed should treat you well.