Don't mean to thread crap or ruin your deal. But buy a black one, you will be much happier. I have a white I/O model and the smallest amount of contact and the thing stains SUPER easily and is impossible to clean.
I tried soap, bleach, magic eraser, alcohol, and a few other options and nothing works. The only thing that removed my stain was nail polish but it also completely removed the "soft touch suede" feeling and made it much more plasticky.
I strongly prefer white gadgets myself, but save yourself a headache and don't buy the white one.