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Nice one, got one on the way now.
The only minor annoyance us that every so often to need to pop the ball out of its socket and clean dirt off the rollers.
That'll be a throwback to the good old days of non-optical mice. Hopefully that won't be accompanied by the prank of having the ball stolen by classmates in school.
mmccarthy-
The "rollers" on the Logitech trackball are three tiny ball bearings and the ball itself is easy to pop out because there's a small hole in the shell directly underneath it. Since what you have is basically an upside down optical mouse and you're rubbing your thumb over the surface of the ball, bits of you ending up on the bearings is inevitable. Roughly every two or three months I feel the motion of the trackball become a bit jumpy, pop the trackball out, two seconds to clean.
itsbruce
That's the bunny.
The only minor annoyance is that every so often to need to pop the ball out of its socket and clean dirt off the rollers. Which sometimes you have to do with regular mice, so no bigg deal.