Hi, at least I understood why. While driving, usually on a bad road my ipod kept on pausing for no apparent reason. The most strange thing was that sometimes it would do it and sometimes not. Knowing it has a hard drive (160GB) I assumed that because of the bad road the buffer was getting full, and had not enough time to get the new info from the disk, and some other geeky reasons why this was happening.
Simpler than I could imagine. I bought a $2 cable on a electronic shop, and I guess it does not fit as well as the ipod headphones, so all I have to do is make sure that the plug gets well connected. As you know when you remove the headphones plug, the ipods goes to pause, and if it has a bad connection, or I guess plug, it will pause. How I can go back to my bad streets (and shock absorbers too, I guess).