Useful Print and Design Resource:

Color swatches, Color Theory & more:
http://websitetips.com/color/tools
http://www.colourlovers.com
http://www.colormatters.com

Free Stock Image website:
http://www.rgbstock.com
http://www.stockvault.net

Useful resource of free fonts:
http://www.dafont.com

General Resources:
http://www.creativepro.com
http://www.adobe.com/studio/print