I have the 32GB One X, and I don't use it for music storage. I don't know why so many of you aren't using Google Music, and using internal storage for the times when you don't have a reliable connection. 10GB of storage is no reason to pass up the One X. In such an advanced forum as this, I can't believe how many people complain about local storage. It's mind-boggling. I still haven't loaded any music onto my device.
You must have that cheap and truly unlimited data plan that works in airplanes and areas with bad reception/no wifi. Congratulations!
And no, 10GB does not hold all of my music nor even my smaller, limited, version that I currently keep on my phone. Then there are the videos I have on my phone, the local storage I keep there to prevent the need to carry a flash drive, etc.
Do I REQUIRE all of that on my phone at all times? No, of course not. Is it something I've grown accustomed to having and would prefer to have on my expensive, top of the line, flagship phone for the next 2 years? Damn straight.