Hope this blog might be usefull for people who are searching for some usefull information on MOSS 2007.
Videos & Screencasts
http://betterecm.wordpress.com/2006/10/25/moss-2007-videos-screencasts/
Videos & WebCasting From Steve Sofian's:(Excellent Video with Demonstration)
http://metahat.blogspot.com/2007/05/moss-2007-webcasts-and-videos.html
BLOGS
EL Blanco's Office 2007 Blogs
http://chrissyblanco.blogspot.com/2007/05/mondays-useful-links.html
Blog Owned by Raghu(You can find very usefull information with screenshots)
MOSS Architecture URL
http://technet2.microsoft.com/Office/en-us/library/97a22c4e-6fc0-4745-9a03-0bfa500a4ca51033.mspx?mfr=true
http://technet2.microsoft.com/Office/en-us/library/1cffb278-6497-46fc-abd0-3dd652064c891033.mspx?mfr=true
