I don't really disagree with anything you've said, but I still feel a warm spot in my heart from projects like this. I still have (and use!) my HP48SX from my high school days, and it still works like it always has. There is something to be said for a device's limitations, and I mean that honestly. It's very powerful for what it is, but its processing limitations keeps me from overextending, which is something very easy to do with the pocket supercomputers we've all gotten used to carrying around over the previous decade. (And its keys are simply a delight to press compared to even the best glass touchscreen.)