Trendmicro Officescan client/server suite
automatic push updates - we have scheduled on the hour
built in client level 2-way firewall (XP's is only incoming)
spyware detection and removal (improving daily)
Web browser based interface for everything.
remote install built-in from web interface.
multiple firewall profiles, can also be updated from web interface.
http://www.trendmicro.com/en/product...e/overview.htm

GFI for SPAM and e-mail av/script removal
www.gfi.com