I ordered the 7 plus, too! Mine shipped today, so I'm hoping it will arrive on Monday.
I was worried about the size, but I really wanted that duel camera feature. I researched a ton and ordered one of these rings to put on the back-
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
According to 300 reviews, they are supposed to make it so easy to hold! We will see!