I dislike the Norton products, but NIS 2009 seems to get very good user reviews. I have friends with Norton 360 installed, and it works ok but slows things down a bit, and very occasionally deletes something non-malicious that was needed by the OS. (Probably any "all-in-one" type application has the potential to do that, though. It's the risk you run from - like most of us - not wanting to become expert at the guts of the OS and viruses.)
But from what I've read of NIS2009 (and NAV2009) they are smooth, light, and effective.
I recently purchased a new desktop for my family for X-mas. It is a HP Compac model SR5633WM with 320 gigs hd, 2 gigs memory & an Intel dual cpu. It came loaded with a trial version of Norton antivirus program. My question to everyone is,What would be a good "all in one" Program to buy? I would like to have one that has antivirus,spam removal,a good firewall,& windows maintainance on it. Norton 360 has these,but is it the best way to go? Also, we use firefox for our browser. So we need a program that is firefox "friendly". Thanks in advance for your help with this decision.