Microsoft SideWinder X3 5 Buttons USB Wired Laser 2000 dpi Mouse
I'm very picky about input devices.
A mouse needs to have a certain shape and size, and I demand buttons on both sides. Only having multiple buttons at the thumb is annoying. I want a button at the pinky.
This mouse fails my tests. Buttons 4/5 are too far toward the front for me to reach for them comfortably.
It's otherwise an excellent mouse. I can see why this series has a very strong name. It's unfortunate Microsoft has gotten out of the gaming hardware business, they've done some really good stuff.