This is features of 2011 AVG Antivirus free edition
· Automatic update functionality
· The AVG Resident Shield, which provides real-time protection as files are opened and programs are run
· The AVG E-mail Scanner, which protects your e-mail
· The AVG On-Demand Scanner, which allows the user to perform scheduled and manual tests
· Free Virus Database Updates for the lifetime of the product
· AVG Virus Vault for safe handling of infected files
· Great customer satisfaction!
What's New in AVG Anti-Virus Free Edition 9.0 :
· Fixes & Improvements
· Core: Script emulator crash fix.
· Core: Detection of a new modification of Virut has been added.
· Core: Fixed possible deadlock of computer after AVI/program update.
· General: Fixed problem with SafeSearch results logged by Internet Explorer Protected Mode (caused by MS update).
· General: Fixed verification of AVG installation package signature by new certificate.
· Outlook: Fixed moving attachments to Vault in Outlook plugin.
· Outlook: Fixed potential crash in creating named folder.
· Outlook: Fixed conflicts with OfficeCalendar.
· Safe Search: Fixed issue with Internet Explorer crash during Online Shield alert.
· Update: Fixed update of Core.
· User Interface: Minor changes in GUI.
I'm not techinal but it seem good especially it could interact with Outlook and have safe search. Maybe I will try it..