iPod touch sound issues?

So, in short, my iPod touch 2nd generation was experiencing sound problems for a couple of months. The problem would start with sound cutting out as I would move around (I couldn't leave the iPod in my pocket for instance because it would move too much), and I would have to fiddle with the base of the earbuds just for the sound to come back.

I called apple and explained the problem - they agreed to repair my iPod touch. My question is, has anyone else experienced anything else like this? Do you think they are going to be able to repair the problem? If I had to lay my bet on the problem, I'd say a few of the sound pins were lose or something alone those lines.