Sites That I Enjoy:

Christopher Crawford
Website dedicated to the Epson 2200 Printer
PUZZLE ART

Color Management Tools, Tutorials and Resources:

Color Mall
Computer-Darkroom
Left Dakota
Norman Koren Photography

Digital Photography and Printing Forums and Reviews:

Digital Camera Reviews and News
Photo-i
Steve's Digicams

Books about Color Management:

"Color Confidence: The Digital Photographer's Guide to Color Management" by Tim Grey

"Real World Color Management" by Bruce Fraser, Chris Murphy, and Fred Bunting

"Color Management for Photographers" by Andrew Rodney