http://dmitrysotnikov.wordpress.com/2010/04/14/sharepoint-2010-powershell-cheat-sheet/

http://dmitrysotnikov.wordpress.com/2010/04/14/sharepoint-2010-powershell-cheat-sheet/

http://sharepoint.microsoft.com/blogs/zach/Lists/Posts/ViewPost.aspx?ID=56

http://blogs.msdn.com/spses/archive/2009/12/18/powershell-intro-for-sharepoint-administrators-part-1.aspx
http://blogs.msdn.com/spses/archive/2009/12/18/powershell-intro-for-sharepoint-administrators-part-2.aspx

http://blogs.msdn.com/spses/archive/2009/12/18/sharepoint-2010-granular-backup-restore-part-1.aspx
http://blogs.msdn.com/spses/archive/2009/12/18/sharepoint-2010-granular-backup-restore-part-2.aspx

Sharepoint 2010 can managed AD Accounts by changing passwords or notify password expiry

http://stsadm.blogspot.com/2009/12/getting-sharepoint-2010-managed-account.html