Here's our Hardware Tip for.. September 6, 2002
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A New Pointing Device--Part 2 of 4
Precision in a pointing device sometimes has less to do with the mechanics of the device itself and more to do with the human body. In general, humans make more-precise fine motor movements with the hand closed in a pen-style grip rather than the traditional mouse-style grip. Thus, artists and multimedia professionals often choose pen-and-tablet pointing devices over traditional mouse pointers or trackball devices.
If you need very precise control over your cursor during a computing session, investigate tablet and pen devices. Many even feature pressure sensitivity that simulates traditional writing and drawing techniques while you're working with certain software packages.