Shoutbox

I just read about this product that complements a Firewall/Antivirus in protecting the PC. Is it really needed? Apparently they describe spybots as a new threat that a Firewall cannot deal with.Has nyone tried it?
http://www.symantec.com/norton/products/overview.jsp?pcid=is&pvid=nab1

Botnets are becoming an increasing problem, so it's no surprise the security companies are starting to release products to fight them.