The product site: http://www.microsoft.com/biztalk/default.mspx The developer center: http://msdn.microsoft.com/biztalk/ The tech center: http://www.microsoft.com/technet/prodtechnol/biztalk/default.mspx BizTalk 2004 White Papers: http://www.microsoft.com/biztalk/techinfo/whitepapers/2004/default.mspx
