Some useful links.

Graphicode.com provide a free Gerber viewing package. We can supply our design data in this format. Just one click and you can view our board layouts and interrogate all the design features. Also imports Gerber and Drill data.

Altium.com download the free viewing package and you'll be able to load and inspect our board designs created with this package.

Seetrax.com suppliers of fully integrated CAE software. Free, node limited, schematic only versions avaialble.

Pdfforge.org offer a freeware pdf document creation package. It appears as a new printer on your system.