Yeah I've read that they aren't great do you have any other recommendations? 

But I really only need the Noise Cancelling once, So I'm going to want more than decent sound

I'm looking for the right noise canceling headphones. I have Postural Orthostatic Tachyardia Syndrome, and I'm going to a clinic in Texas next month to try and get better. I'm going on amtrak, and one the affects of my condition is that my nervous system is very sensitive to sound such as...