When it's possible to buy a mouse for less than £10, the idea of parting with £92.99 (inc. VAT, or $99.99) might cause anyone to think twice. But that's the price of the Logitech MX Vertical, an 'advanced ergonomic mouse' with an unusual design that's intended, says Logitech, to reduce muscle strain, decrease wrist pressure and even improve posture.
Logitech MX Vertical Mouse review at ZDNet