Spyshelter monitors a lot more than Eset HIPS, and it is more user friendly. I always use Eset HIPS in Smart Mode. I found that Automatic Mode, and Smart Mode are the only modes that does not cause problems on my machine. Automatic Mode does not offer much protection AFAIK without building your own rule base so I use Smart Mode. I'm not really sure how much protection Smart Mode offers either. I have never answered a single HIPS prompt when operating in Smart Mode, but I have never been infected either. I have found that you have to spend a lot of time configuring Eset HIPS for it to provide good Security. The other Modes never worked for me because Learning Mode was unable to learn my System's baseline behavior no matter how long I ran my machine in Learning Mode. I received endless prompts or endless blocks when trying to use the other Modes.