Negative Positive
Title: good hardware, bad support and software
Review: To protect my wrists after decades of keyboarding, I finally gave in a bought a Kensington Expert Mouse trackball with scroll ring and 4 buttons. I figured I could easily configure the upper two buttons for internet forward and back given the vendor's assurances of total configurabilty.Wish I'd read the forums instead of the product listing which said this is Vista compatible. IT IS NOT. Though the trackball, scroll ring and two primary buttons work quite well as a regular USB mouse device, the Kensington software installed on Vista will crash if you try to configure the buttons or access any of the advanced functions you pay so much for on this pricey mouse.Short story: If you have Vista, or plan to get Vista, avoid this product and vendor. Their short-sighted and confusing refusal to support Vista says they aren't a good future bet for hardware.
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