1. The product site: http://www.microsoft.com/biztalk/default.mspx
  2. The developer center: http://msdn.microsoft.com/biztalk/
  3. The tech center: http://www.microsoft.com/technet/prodtechnol/biztalk/default.mspx
  4. BizTalk 2004 White Papers: http://www.microsoft.com/biztalk/techinfo/whitepapers/2004/default.mspx
  5. BizTalk 2006 White Papers: http://www.microsoft.com/biztalk/2006/prodinfo/whitepapers.mspx
  6. Application Integration and Web Services Patterns and Practices: http://msdn.microsoft.com/practices/apptype/appinteg/default.aspx
  7. Integration Patterns: http://msdn.microsoft.com/practices/apptype/appinteg/default.aspx?pull=/library/en-us/dnpag/html/intpatt.asp
  8. Architecture for BizTalk Server 2004: http://www.microsoft.com/biztalk/techinfo/whitepapers/2004/architecture.mspx
  9. SOA in the Enterprise: http://www.microsoft.com/biztalk/techinfo/whitepapers/2004/infopath.mspx
  10. Download for BizTalk 2004 trial software: http://www.microsoft.com/biztalk/evaluation/trial/default.mspx
  11. Download for BizTalk 2006 Beta 2: http://www.microsoft.com/biztalk/evaluation/bts2006beta.mspx
  12. What’s New in BizTalk 2006: http://www.microsoft.com/biztalk/2006/prodinfo/whatsnew.mspx
  13. The Blogger’s Guide to BizTalk (lot’s of articles from BizTalk blogs, good article on how to learn BizTalk): http://www.gotdotnet.com/workspaces/workspace.aspx?id=0dfb4f4e-d241-4bc8-8418-2c385d8e3eaa
  14. Virtual Labs for BizTalk: http://msdn.microsoft.com/virtuallabs/biztalk/
  15. GotDotNet: http://www.gotdotnet.com/team/wsserver
  16. BizTalk 2004 Power Toys: http://blogs.msdn.com/luke/articles/365678.aspx
  17. BizTalk Performance Blog: http://blogs.msdn.com/biztalkperformance/
  18. BizTalk Core Engine Blog: http://blogs.msdn.com/Biztalk%5FCore%5FEngine/
  19. BizTalk Customer Response Team Blog: http://blogs.msdn.com/BPIDCustomerResponseTeam/
  20. Scott Woodgate’s blog: http://blogs.msdn.com/scottwoo/
  21. Kris Horrocks’ blog: http://blogs.msdn.com/krisho/
  22. Jon Flanders’ blog: http://masteringbiztalk.com/blogs/jon/default.aspx
  23. Luke Nyswonger’s blog: http://blogs.msdn.com/luke/default.aspx
  24. Eldar Musayev’s blog: http://blogs.msdn.com/eldarm/
  25. Owen Allen’s blog: http://blogs.msdn.com/oallen/
  26. Marty Wasznicky’s blog: http://blogs.msdn.com/martywaz/
  27. Kevin Smith’s blog: http://blogs.msdn.com/kevinsmi/