Dan's Data has posted a review on the Natural Point TrackIR Cursor Control System
Natural Point's trackIR is a mouse replacement system based on a little camera that connects to a Windows 98, ME or 2000 PC via USB. It's meant for various situations where a normal pointing device can't be used - for controlling a pointer from a distance in business presentations, for instance. It's also aimed at people with injuries that make a normal mouse a painful prospect, or are disabled and unable to use a mouse at all.Read more