Microsoft has released few training videos for those who are not familiar with the new feature set in Outlook 2010. Do check them out!

Make the switch to Outlook 2010

Tame your Inbox: Organize messages by conversation

Getting started with Outlook 2010

Get familiar with the Outlook Calendar

Use e-mail signatures in Outlook 2010

Use electronic business cards in Outlook 2010

Download Office 2010 training