shallowdeep
Posts: 343
Joined: 9/1/2006 From: California Status: offline
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Is it the mouse's cursor tracking that's become erratic? Or is it the scroll wheel? The latter could just be dust or the like in the mechanism. I might try taking it apart and cleaning that up before buying a new one. For basic use, pretty much any mouse's tracking should be adequate. Features like extremely high resolutions or report rates are of very limited benefit for general use. Most of the choice comes down to personal preferences with button count and the ergonomics – you might want to test a few out in a store. You did mention a glass desk, though. If you want to be able to accurately track on that surface, you'll need to look for something like one of Logitech's Darkfield laser mice; they are higher-end and carry the associated price tag. If you are content (or prefer) to mouse on your lap or a mousepad, the tracking technology isn't really much of an issue – any modern optical or laser mouse should suffice. Cloth and wood are much easier to track on than glass because, unlike glass, those surface have readily identifiable features an imaging sensor can pick up to judge motion. The major pro of wireless is the lack of wires to get in the way and clutter things up. In some cases, you might also be able to save a USB port if you can use built-in Bluetooth wireless hardware rather than a dongle, but that usually isn't too much of a concern with desktops. The biggest con is probably dealing with batteries, and needing to either recharge or replace them occasionally. The extra heft from batteries may be a pro or a con, dependent on preference. Also, a wireless connection may be somewhat less reliable than a wired one, but it's usually not much of an issue in practice - extremely dedicated fast-reflex gamers aside.
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