I'm surprised at the number of Logitech users in this thread, because in my experience the quality of their products has taken a total nose dive. Not to mention their products are over priced. I've had too many issues with them, and vowed to never buy from them again.
My current mouse is a ZOWIE FK2-C. It's simple, wired and it just works. Been using it for years, and no switch issues yet.
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