The Element14 community was kind enough to award me a prize in the Open Arduino contest and with the award I purchased one of the official displays for a Raspberry Pi.  I have wanted a portable marine traffic monitor for some time and this is what I came up with:

Raspberry Pi with dAISy hat running OpenCPN

It turned out quite nice, went together easily, and can be put together at a reasonable cost.  The project is a good demonstration of how powerful the Raspberry Pi is.

 

Components:

 

A wireless mouse for user input and a small "rubber duck" antenna for reception complete the project.  I really like the Smarti Pi enclosure - makes the screen much more useable.  What have other people done with their awards?