Exchange 2010 IMP Links

http://www.learnmsexchange.com/exchang/exchange-server-2010/configuration-a-administration/555-what-is-back-pressure-in-exchange-server-2010 - Exchange 2010 back pressure

http://www.sysadminsblog.com/ - Ex2010 links

http://www.exchange2007.com/2011_08_01_archive.html - EX2010

http://technet.microsoft.com/en-us/library/aa998911.aspx - Discontinues Features in EX2010

http://technet.microsoft.com/en-us/library/ee423542.aspx - EX2010 Services descriptions