Not that I use any of them a lot, my go to is my Hitachi, but seems like most everything I do, I end up needing to change from cutting to flap to wire wheel to cup brush. So I bout three of the $9 HF models. I only use the HF ones for lighter stuff. From a comparison video, or several actually, They even said they were fine if not used on heavy handed needs, so I took that to heart and that's how I use them. So far, they have lasted several years. My biggest complaint with any of them is the switches. With my hanky hands and fingers, it is some times difficult to turn them on. Another complaint about them is the vibration. It's there from new, until now. No change, same as it was out of the box. I also have a dewalt 20V. It's nice, but I only have 2amh batteries. And the grinder will eat through them fast! But, I have four batteries and 2 chargers, so far it hasn't been an issue. Any of them with a switch is a complaint of mine. If money wasn't an issue, I never buy another switched type of any brand.