What do you consider cheap? If this is "cheap" it's a wonderful program.
I use it w/out any instace of problems and it's way more than just an AV program as well as licensed for three puters for 50 bucks a year. Great value if you ask me.
Prevent Unauthorized Changes/Proactive Intrusion Blocking
Improved security policies find and stop unwanted attempts to change your operating system and critical software.
Image Spam Filtering
Stop seeing spam that tries to evade filters by delivering images instead of just text.
Worry-Free Web Surfing
Identify suspect Web sites before you open them. Disable links to untrustworthy Web sites received by email (available early 2008).
Customizable Security Warnings
Decide exactly how often you want to receive warnings about security threats.
Security Activity Reports
Regular reports summarize how Trend Micro Internet Security has protected you.
Protection Against Viruses
An award-winning anti-virus engine protects against computer viruses, worms, Trojan horse programs, and related security threats. Automatic updates immunize you against new computer virus outbreaks.
Protection Against Spyware
Powerful anti-spyware technology protects your personal information and privacy against spyware, rootkits and other malicious software.
Prevent your computer from exchanging data with the Internet without your approval, and defend against computer attacks from the Internet.
Protection Against Web Threats
Steer clear of online phishing scams that try to steal credit card and bank account numbers. Continuous updates identify the newest risky Web sites.
Wireless Home Network Monitoring
Find and block wireless home network intruders.
Home Network Controls
Manage, configure and update the security of every computer on your home network with an easy-to-use management console.
Safeguard Multiple Computers
Install Trend Micro Internet Security on up to three home or mobile computers.
Advanced Parental Controls
Take charge of where your children go on the Web by blocking Web sites with inappropriate content.