McAfee Total Protection 2011 (3-User License) for $9.99.  Shipping is free on orders over $25.  If needed, use this Filler Tool to pad the order to qualify for free shipping.  Here is a screenshot for your reference.  It offers anti-virus, anti-spyware, 2-way firewall protection, anti-spam and more.  Most places have this 3-user license package for about $38 or more.