avast! now offers their Internet Security 7 (1 user) for the just $39.99 downloaded.  That's a savings of $10 off the normal price and the best deal we've seen right now.

Note that we have also found avast! Pro AntiVirus on sale for $39.99 $34.99.

avast! Internet Security provides antivirus protection, sandboxing, firewall, anti-spam protection, and more.  For a look at the differences between avast! free protection, Antivirus Pro and Internet Security, see here .