If you want to track your twitter account on Outlook, which allow you to keep tweet on your Outlook inbox, send tweet directly from Outlook… This will interest you 
http://www.techhit.com/TwInbox/twitter_plugin_outlook.html
The good news is it’s working with Outlook 2010, even the x64 bits version !!!
To install it you have to close your Outlook before.
Then, you will have a Twitter toolbox available.
The configuration is very simple: launch the Options window and follow the wizard.
If you have multiple mail account, you can choose on which the tweets will be saved
You can also view some statistics
