Cool stuff for I-Phone Users

Here's a site I found that lists cool fitness-related apps for the I-Phone:

http://theappleblog.com/2008/11/25/9-iphone-apps-to-keep-you-fit/

I'm going to check out the one called iFitness - just $1.99 and seems to do a lot of things, like search for exercises according to muscle group, and customize with your own workouts.