One of the fun things about having a bunch of new iPod nanos on hand is that we’re able to put multiple units through tests at the same time. What we weren’t expecting was that our new yellow 8GB iPod nano would just die in the middle of one of those video tests, less than 24 hours after it was purchased. The new nano was playing back a video playlist, using its speaker rather than its headphone port. An hour and 19 minutes into the test,…