Useful posts about Alternate Access Mapping - AAM in Sharepoint

http://blogs.msdn.com/sharepoint/archive/2007/03/06/what-every-sharepoint-administrator-needs-to-know-about-alternate-access-mappings-part-1.aspx
http://blogs.msdn.com/sharepoint/archive/2008/10/13/some-aam-guidance-from-the-front-lines.aspx
http://blog.thekid.me.uk/archive/2007/03/16/alternate-access-mapping-aam-with-sharepoint.aspx
http://msmvps.com/blogs/laflour/archive/2009/01/30/sharepoint-tip-4-do-you-know-why-alternative-access-mapping-aam-is-necessary.aspx
http://www.sharepointdan.com/2009/05/16/aam-the-bain-of-search-problems/
http://www.sharepointjoel.com/Lists/Posts/Post.aspx?ID=112
http://bobfox.securespsite.com/FoxBlog/Lists/Posts/Post.aspx?ID=16
http://www.toddklindt.com/blog/Lists/Posts/Post.aspx?ID=57
http://www.21apps.com/sharepoint/alternative-access-mappings-in-sharepoint/

http://vspug.com/spfromscratch/2008/02/28/alternate-access-mappings-in-server-farm/
http://www.mukalian.com/blog/category/Alternate-Access-Mapping.aspx
http://faraz-khan.blogspot.com/2007/11/how-to-change-sharepoint-site-url.html
http://sharepoint.microsoft.com/blogs/fromthefield/Lists/Posts/ViewPost.aspx?ID=8
http://blog.henryong.com/2007/01/17/alternate-access-mapping-in-sharepoint/
http://www.decatec.it/blogs/2007/03/19/Sharepoint+2007+Alternate+Access+Mappings.aspx

http://blogs.msdn.com/sharepoint/archive/2007/03/19/what-every-sharepoint-administrator-needs-to-know-about-alternate-access-mappings-part-2-of-3.aspx