Logitech M570 or Logitech Trackman Marble?

Question

User interface

Logitech M570 or Logitech Trackman Marble?
Who has used both? Which is more convenient/practical?
Are there any decent alternatives? Preferably no more than 4 tr. I haven’t used trackballs before - I don’t want to spend a lot, suddenly it won’t take off.

Answer 1

These are two different devices, with different ergonomics. Enjoyed both. Both are comfortable, but with their own quirks. Why did I switch to a trackball, when I had a trackball at work, got used to it and then bought it home.
Pros:
Минусы:
Specifically for these two options. In the M570, I liked the classic layout of the buttons and scroll, but the thumb gets tired with it (strongly affects accuracy). If you have to do something for a long time, it was torment. Well, at first there will be a reflex to move it like a mouse))) Yes, and it’s not clear what for it is wireless ... I sold it in the end and bought a Trackman Marble. I liked this one much more, although it did not last long, a little more than 6 months, then my daughter did something to the ball (and then I realized that the wireless option is not a marketing whim. You can hide it))). This model turned out to be more accurate for me, the ergonomics are better, the scroll wheel was very lacking.
In general, the Logitech soft derebas, greatly spoils the impression of the products.
Now I switched to the trackpad from apple, as for me - the best option.

Answer 2

I tried the trackball on someone else's computer - VERY unusual. And the owner of the computer has been using it for many years.
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