So here's a #tidbit of information about me:

I've been using the same #Logitech Trackball since 1999.

The only drawbacks are that it's a PS/2 connector so I have to use an adapter, and it's kind of low dpi tracking, so I have to turn it up to maximum speed for a comfortable movement experience at 1080p.

I have a second one that I bought as a back-up. The second one is the same but it's USB, and they changed the name between them.