This could become an awesome secondary travel/camping phone. Sure when I'm home I generally remember to charge my phone every or every other night, but when out and about there are many times when charging is inconvenient of impossible.
For camping surely an old nokia will do? I keep one, which isn't much bigger than a mars bar, for this purpose and the battery lasts for ages.
Sure, I do the same. But having smart phone features like e-mail and a web browser would no doubt be handy at times. For example looking up bus/train schedules for getting home in case you end up delayed or have to change your route.
You have a phone which you can charge every "other" night and still be running? In my experience the Driod Razr Maxx is the only modern smartphone you can really do that with.
I have an Acre Liquid somethingorother I picked up for $200 or so when my phone died last spring. It's been 14 hours since I took it off charging, and in that time I've made a few phone calls, listened to a couple of hours of mp3s, read a dozen web sites or so, checked my email a couple of times and played a simple game for about 15 minutes and my battery is at 63%.