I am now a Support Escalation Engineer at Microsoft. I also maintain a powershell scripting blog at http://adandexchangepowershell.blogspot.com/.

I have published the following articles here on Experts Exchange:
http:/A_10674-How-to-clean-up-lingering-object-in-the-Global-Catalog-partition-in-Windows-2008-R2.html
http:/A_10318-How-to-set-an-Exchange-2007-Mailbox-Database-description-using-PowerShell-and-ADSI.html
http:/A_5148-Sending-E-mail-from-a-PowerShell-Script.html
http:/A_5146-Removing-obsolete-SMTP-Domains-from-Exchange-2007-Mailboxes.html
http:/A_8089-Using-PowerShell-to-Delegate-GPO-permissions.html
http:/A_8598-Using-Windows-PowerShell-to-Query-SQL.html
http:/A_8890-How-to-turn-off-Rich-Text-Format-RTF-in-Outlook-2010.html
http:/A_8932-PowerShell-function-to-track-messages-in-Exchange-2007.html
http:/A_10693-Solving-the-Frequent-Credentials-prompt-in-Outlook-2010-on-a-Windows-7-machine.html