Many people don't realize that you can engrave on the back of an iPod for free if you order from Apple. I did this a few years back and my wife gets a little reminder that I love her every time she turns over her iPod.
You can engrave the back of your iPod....fo' free! It's a pretty rockin' deal, and my boyfriend gets a little reminder that I love him every time he turns his iPod on. =)