I bought a white case for my iPod touch at best buy and idk why but randomly it has stains on it. I was at first wondering if it was overheating but. It can't have over heated because when I play it it's on a dock that doesn't charge and also the inside of the case doesn't have the same marks as the outside. Anyone know what could make a white case turn yellow in some parts? It looks like its only on the parts where my hand would touch it if I was holding it. I have a pic but idk where to upload it. Also where can I find a nice white case for my white ipod touch? Any suggestions?