I was quite satisfied with the filtering tools built into KIS 2010(or 2009, can't remember). I think that Crystal did not become worse. to buy a separate product while in a head did not come, it is better for little money all at once than individually and "expensive".
the only annoying point in KIS was the inability to switch mode by time-out — like if I'm five minutes was up and the computer is not blocked under your uchetku, then automatically switch to "child". such keys could not