or buy a 6, since I already own a iPad... instead of cramming 2 uses into 1 device that doesn't effectively satisfy either need, I just own both devices and can use them accordingly. That seems like a better solution.
The Plus actually fills a really nice niche between iPhone and iPad mini. Some of us don't like paying an extra $20/mo to get service on an iPad and are thrilled to have one device do it all. My iPad can stay home now and save me some money.