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Logitech released two new mice on Thursday with improved scrolling capabilities: the MX Revolution (right) for $99.99 and the VX Revolution for $79.99. Both are available immediately.
The MX Revolution mouse has customizable buttons and a side scroll wheel for switching between desktop windows or zooming. There is also a dedicated search button, which can be linked to any engine. A click of that button returns search results for whatever has been highlighted with the mouse.
The VX Revolution is the notebook version of the MX Revolution. It has a slot for the 2.4GHz micro-receiver and a slide button for zooming instead of a side scroll wheel. The VX, like the MX, has a MicroGear Precision Scroll Wheel that allows for faster scrolling with fewer flicks of the finger.