I miss the old microsoft track ball. The ball wasn't a thumb exercise as it was under your index-middle-ring fingers and you clicked with the thumb.

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vel0city 4 days ago | parent | next [-]

I've been using a Kensington Expert Mouse Trackball for several years now. You might like it for a center trackball position. It also has a ring around the ball as a scroll wheel and four buttons which are easily programmable. A couple of AA batteries last me about a year on the 2.4GHz wireless, many months on Bluetooth. The ball comes out really easy so it's easy to take apart and clean. It has handled almost a decade of near daily use without any parts breaking.

https://www.kensington.com/p/products/electronic-control-sol...

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loloquwowndueo 4 days ago | parent | prev [-]

Don’t current Kensington trackballs have this layout as well?

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redog 4 days ago | parent | next [-]

Not quite, with the thumb buttons like the Trackball Explorer had. Closest I can find is the DEFT Pro https://elecomusa.com/products/deft-pro-trackball

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lytfyre 4 days ago | parent | prev [-]

They do, but I've had severe quality/lifetime issues with them. Three Kensington trackballs, two different models, all three lasted under a year for me.

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mkl 4 days ago | parent [-]

Strange. I have lots of Kensington Expert Mouse trackballs, some of which I have used for 7+ years, and none have ever given out on me. I have a stockpile of spares in case they stop making them, but they seem to be built very well.

Which models did you have problems with, and what went wrong?

	▲	lytfyre 2 days ago \| parent [-]
		Never tried the Expert Mouse in particular. Two of mine were slimblades, one orbit with scroll wheel. Different failures each time - Orbit - broken plastic around one of the bearings. ball no longer turned smoothly or straight in every direction, and dragged. Slimblade #1 - began to operate erratically. I believe it was a failure of some kind with one of the optical sensors, but I never was able to figure it out consistently. Slimblade #2 - microswitch under the LMB failed mechanically, no longer triggered. the slimblade's were provided by my employer at the time, the orbit was purchased personally for at home - it's use overlapped with the slimblades at work. I don't think I'm super unusually hard on my trackballs - My Elecom Huge lasted for ~6 years before the soft touch plastic finally got a bit gross from skin oil contact, but still was functionally fine, and my current protoarc is going strong two years in.