Ditto for me. Especially if the Space Black rumors are true.
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Don't know about the original poster, but for me, yes. While I love the features of the 6s+ (especially the camera), I'm growing tired of it filling my front pocket (don't feel safe putting in the back one, as I live in New York City) and feeling it's weighty bounce whenever I'm walking. Using a belt holster with this big phone was even more uncomfortable (and made me look like an ATF agent).
One of my students showed me her just-purchased 6s, and I as held it, I longingly remembered how good that size feels in the hand.
If I do get the 7, I'll probably pick up an iPad mini for sustained reading and quick-edits -- the 6s+ doesn't really cut it for those uses, IMO.