Totally agree. With respect to the noise cancellation vertigo though - this varies with headphones ; apparently, some headphone response curve causes feeling o

Totally agree. With respect to the noise cancellation vertigo though - this varies with headphones ; apparently, some headphone response curve causes feeling of vertigo and/or pressure/vacuum on your eardrums. There was even research about that in the HN front page 4 months ago or so - will try to post it when I am not on phone.