I’ve been rocking the Kensington Orbit wired for years now and I’ve yet to find a better trackball.
Reasons:
- works for both hands
- scroll ring
- big ball
- wired
- works reliably
I use the trackball with my left hand and a mouse with my right.
It seems like such a cheaply made product, but it just works so very, very well.
They are more “industrial” in their style but very repairable. Just completed a ~12 year change in their bearings and fell in love again.