If you’re not interested in the X — if, for example, you fear it may have some of the kinks that first iterations of Apple products often have before they’re ironed out — the iPhone 8 is a pretty nice step up from the iPhone 7, but definitely not vital. Ditto, I’m sure, for the step from the iPhone 7 Plus to iPhone 8 Plus. Stepping up from the 6S models is another story, I’m sure. More a “tock”-like feeling. Me? I’ll continue waiting for the X…