Greg Rudzinski is a fan of the Palm Centro as a navigator’s useful friend. Check out the post on his blog.
“The Palm Centro smart phone is quite the navigators mate in the cockpit and at the chart table. When in port the phone provides NOAA weather from the internet. At sea the applications smartly deliver full celestial navigation , sailings, piloting, chronometer and tide functions. The bonus is a full media capability to document a voyage by photo, video, and audio. If boredom strikes in a calm then there are games and music features as well. Truely amazing!”