New
#11
The biggest difference between free and AIS is that AIS includes a manual sandbox, so you can sandbox your browser. I don't know how good AIS's sandbox is, say compared to Sandboxie, but I bet avast! has a pretty good handle on it. If you visit dangerous sites or have dangerous habits online, then either go with AIS, or Free with Sandboxie. Virtualization should be your first line of defense and your AV should be somewhere after that.