I was ripped off by them. Suckered by the glowing reviews on Download.com I went ahead and purchased PC HelathBoost.
It did nothing and did not fix the problem so I called them up. First time I was left hanging. Second time I got a so called technician who clearly knew nothing. He tried the 14 point plan on me, but saw that I was knowledgeable about PCs (though clearly not scam artists) so he told me to take the problem to a local technician.
Then adding insult to injury they charged me for items that I did not order. A huge rip off.