THE SCRUM alliance site: http://www.scrumalliance.org/

The Google of SCRUM; http://scrumoogle.com/

Excellent SCRUM site: http://www.controlchaos.com/

How SCRUM are you: http://wiki.scrums.org/index.cgi?ScrumScoreboard

Scrumalliance gift shop: http://www.cafepress.com/scrumalliance

Excellent and funny SCRUM site: http://www.implementingscrum.com/

Conchango: http://www.scrum-master.com/

Mike Cohn's site: http://www.mountaingoatsoftware.com/

Planning poker: http://www.planningpoker.com/

Peter Borsolla's site: http://www.winnowmanagement.com/

Hubert Smits' Blog: http://hubert.blogs.com/

SCRUM for team system: http://scrumforteamsystem.com/

Roy Osherove's blog: http://weblogs.asp.net/rosherove/

Agile Success Stories:http://www.objectmentor.com/omSolutions/agile_customers.html

Agile manifesto: http://www.agilemanifesto.org/principles.html

Agile Journal: http://www.agilejournal.com/

Agile Success Stories: http://www.objectmentor.com/omSolutions/agile_customers.html

Agile2007 video competition: http://www.agileadvert.org/

Getting into Agile; http://www.gettingagile.com/