I was thinking of getting a 16GB Nano. I've had another Ipod in the past. THe Ipods have a great interface, but they're not cheap compared to the competition. To justify the cost, I was wondering how longs I can expect it to last. I don't want to buy it and then throw it away in a few years. The Nano doesn't have a hard drive to fail. It does have the battery that will eventually wear down and costs $60 to replace now. How long will that last? Also, is the device itself going to last a long time if I don't abuse it? Also, how long do they support Ipods? Since they require Itunes software to work, are they going to keep on supporting it, or do they drop them after a few years? Do they still support early Ipods? Something like the Sandisk Sansa, with its drag & drop interface and expansion slot, seems like it would have a longer useful lifespan, but I don't know if the interface is as good.