until you suddenly have to use an input device with 2 buttons again.
Having to PageDown/PageUp to scroll?
It's like the Dark Ages again!
Having used them for [REDACTED] years, you'd think trackballs would be a solved problem.
Alas.
Anyway, don't get a fucking Kensington Orbit Optical Trackball, because somehow, the fucking ball is too small and doesn't actually sit snugly in the socket? So half the time when you're moving down, you're half-pulling the ball out of it with a loud Click.
Also, you know, No Fucking Scrollwheel Ring or button.
In 2008, when this model was designed and released.
It's an Emergency Buy while waiting for A Proper One ordered over the internet, but jesus christ, how the hell do you fuck stuff up like this?