For our purposes here performance is not how fast the software worked or if it impacts system speed (which we did not see any indication of); it is more about how well the Navigator and GlideTV software works in its intended purpose.
Moving through the software was very easy as the touchpad works just like the touchpad on a typical notebook (with the exception of using your thumb versus using your finger tip). The issue with the shortcuts page did not factor in heavily in our testing, but we did get comments on it when we showed off the program. As we mentioned before, we found the Navigator to be light and not straining on the wrist even after long usage. But with all of the good, there was some bad.
We ran into a handful of pages that would not remember the default Zoom settings. We also found that with certain pages and applications the search function would not allow you to use the keyboard for input. We talked with GlideTV and they told us that this was due to a design choice. The GlideTV search application is something of a pass through.
Because of this we did not see the keyboard working on the GlideTV screen. The application would not give up focus so we did not see the physically attached keyboard working on the GlideTV screen. They are aware of this and are working on the issue, but it is not truly a flaw.
The next thing we found (which again was not a flaw) was a lack of a virtual number pad for use in Media Center or when watching TV.
Battery life was fairly typical with just over 24 hours of standby time and just over 8 hours of continuous usage. Since GlideTV provides a charging stand and rechargeable batteries this is not a big deal (most people will leave the Navigator in the stand).
Other than the listed items, the GlideTV application and the Navigator work extremely well together.