2. Nike + IPod Sport Kit

Price: $29.00 at store.apple.com
This may just be the coolest iPod accessory ever! It helps you with your work-out by displaying all sorts of stats right there on your iPod screen! The Nike shoes have a special pocket in the insole that transmits wirelessly to your iPod, letting you know how fast you’re going, for how long, and much more! Who needs a personal trainer when you have this?