I enjoyed reading Woody's series 'Don't pay for software you don't need' but I noticed that this was based purely on Win7. I can see that I can get MSE for Win XP as well. Is there any difference in the quality of MSE between these two OS or is it safe to assume when he recommends MSE for Win7 this would also go for Win XP ? What I am wondering is that Win7 is probably more secure in itself than Win XP, and if that is a prerequisite for the evaluation of MSE, that MSE for Win XP is not as good as MSE for Win7. Btw upgrading to Win7 is not an option - the PC's are too old to spend more money on but good enough for some uses (small office). I used to have SAVCE, but do not want to renew. I hope I explained this right, even though I am not a native english speaking person.