Pros - Kaspersky Antivirus:
    * Currently has the best detection record of all antivirus programs
    * Easy to install, works right out of the box
    * Daily updates ensures full protection at all times
    * Small program, uses only 11 MB disk space, requires minimal resources
    * Scans all types of archives, not only ZIP-files
    * Supports all types of media: disk, floppy, cd, network drives etc
    * Runs as system service on Windows NT/2000/XP.
    * DOS scanner included
    * Very good user manual (250 pages) included
    * Phone and email support included for free 
Cons - Kaspersky Antivirus:
    * Interface could have been better 
Major flaws - Kaspersky Antivirus:
    * None 
Email clients supported - Kaspersky Antivirus:
    * MS Outlook
    * MS Outlook Express
    * MS Exchange 
Supports the following email database formats:
    * MS Outlook
    * MS Outlook Express
    * MS Exchange
    * Eudora
    * MS Mail
    * Pegasus Mail
    * Netscape Mail
    * JSMail
    * MIME