A friend of mine knew a guy who was selling his 2nd Gen 4Gb iPod Nano for $30 the other day which I bought b/c the mp3 player I have been using for running is on its last leg. Naturally, I had to buy the Nike + iPod attachment and I’ve been really impressed with it. Even with no calibration my two mile runs only differ in distance by a couple hundred yards from my GPS watch. I did not spring for the Nike Shoes that have the built in slot for the transmitter, but instead opted for the 3 dollar Velcro thing that attaches to any shoe laces. Oddly enough, I prefer to listen to audio books while I run instead of music so I find the voice that comes on to update me on my progress a bit annoying as it tends to drown out the story line temporarily, but other than that I