I am a long-time user of the MX series, having used the master 1 and 2 and multiple anywheres 1 and 2 for years, mainly for their free-scrolling wheels. I was s

I am a long-time user of the MX series, having used the master 1 and 2 and multiple anywheres 1 and 2 for years, mainly for their free-scrolling wheels. I was surprised when Microsoft upstaged them with their precision mouse line, which has a "patented magnetic scrolling". It seems to me that Logitech is just playing catch-up with the "MagSpeed" wheels on the master 3.