Here’s a sample of the best posts from previous October’s:
2012
Configuring PowerShell Access in Office 365
Information about SkyDrive Pro
2011
2010
Your Office 365 Business model
Office Web Apps and SBS 7 (aka 2011)
2009
Search Server Express on SBS 2008
2008
Don’t check emails, process emails
2007
Lessons learnt from recent SharePoint crash
CIAOPS 