Amazon has the Logitech MX 1100 for just $39.99 shipped after rebate, originally priced at $79.99. Its “adjustable-dpi laser engine (up to 1600 dpi) provides two smooth-tracking modes for customizable precision.” Product page. Video review after the break.

Hyper-fast scrolling lets you fly through documents and Web pages with a flick of your finger, or switch to click-to-click mode to scroll through lists and photos.

[via Amazon]