Oh I've tried it. It's not really as good as they claim, I reckon a good part of it is placebo.
By the way, the site is actually a collaboration between me and two others. Orangestar had put up some binaural beat files on his website, so cats4gold and I jokingly made this site in his name to promote them. And then it kinda grew fr
m there.
If you enter the site, you'll notice it is not actually one site, but three linked together.
As an aside, have you tried any of those binaural beats? Is that part of the joke, or something that you actually enjoy?