Definitive Microsoft SharePoint 2010 link for all updates
http://technet.microsoft.com/en-us/sharepoint/ff800847.aspx
Pre-deployment preparations
http://technet.microsoft.com/library/ff806331(office.14).aspx
Pre-installation
Gather information about the environment
1. Locked sites
c:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\BIN>stsadm -o enumsites -url http://spdev -showlocks > E:\spdevlocksreport.txt
Review output for locked sites.
2.
