Ran across this subreddit and was inspired to dig out my old Logitech Trackman Marble FX. Haven't used it for 10 years, but I think I might run it as my daily
Still using this old Logitech Trackman Marble FX. I never found a more comfortable new trackball to replace it with. : r/Trackballs
Logitech TrackMan Marble FX PS/2 Trackball - 904257-0403 for sale online | eBay
Amazon.com: Logitech TrackMan Marble FX Trackball : Electronics
Logitech TrackMan Marble FX Trackball
Amazon.com: Customer reviews: Logitech TrackMan Marble FX Trackball
Logitech Trackman Marble FX - Been Using since 1998. : r/BuyItForLife
Just picked up a Logitech TrackMan Marble FX : r/Trackballs
Download and install Logitech HID-compliant Turbo TrackMan Marble FX - driver id 1713780