Holysync (Binaural beats) vs. Isochronic Tones? I was considering the Holysync product but also read about Iso.Can anyone provide pros/cons?

˙˙˙˙ʎɐp ɹǝɥʇo ǝɥʇ ʇɹodɹıɐ ǝɥʇ ʇɐ ǝsɐɔʇıns ʎɯ uı ʇı ƃuıʌɐǝן ɹǝʇɟɐ ʇı ǝƃɐɯɐp ʇ,upıp ı ǝdoɥ ı ˙uo uɹnʇ oʇ ʇı ʇǝƃ ʇouuɐɔ ı ¿ɐɹǝɯɐɔ dıןɟ ɐ xıɟ oʇ ʍoɥ ʍouʞ ǝuoʎuɐ sǝop

¿¿¿ɐɯoɥɐןʞo ʌ sɹoʇɐƃ ǝɥʇ ɥɔʇɐʍ oʇ ıɯɐıɯ oʇ pɐǝɥ oʇ ʎpɐǝɹ s,oɥʍ

cool! and now the last one is gone!

now i am down to one!

Now I am down to two...

I was able to get three extra tickets to the "Back to the 80s" party tonight at Opera. The first three to text 404.307.9560 and it's yours!