Today I was impressed with a really nice total solution put together by Nike and Apple. You can now buy a running shoe and sports kit (little sensor thingy) that talks with your Ipod. You can then program your ipod with the schedule of your workout, the songs you want to play etc.
When getting home you can then connect your ipon with the flash website that has graphs and details of all your runs and your goals. You can even challenge others and watch the progress as a group.
Check it out:
http://www.nike.com/nikeplus/