BizTalk - Great RosettaNet Resources

POSTSEEK: a good aggregated site:
http://www.postseek.com/meta/bf130ea51b6bb37eae0b85fb737b6e0d

Microsoft forum:
https://social.msdn.microsoft.com/Forums/en-US/home?sort=relevancedesc&brandIgnore=True&searchTerm=6A1