Eagle is probably one of the best free/low cost PCB design packages that I have come accross.
This user group aims to provide an alternative portal to Cadsoft's already well balance website.

Please join in and contribute cad files, circuit diagrams, libraries and other useful tools.

Wayne.

Some useful site addresses are:

http://www.cadsoftusa.com - Get hold of Eagle Cad

Another Free PCB disgn tool Designspark:
http://groups.yahoo.com/group/Designspark/