Good Reviews:
Water resistance
Improved cameras
Two cameras that shoot as one
The most powerful chip ever in a smartphone
Better battery life
Great display
Taptic engine feedback is neat
Dual camera zoom on the 7 Plus is great
Bad Reviews:
Lack of headphone jack is inconvenient
Jet Black model scratches easily
Looks just like an iPhone 6 in a case
iPhone 7 Plus design feels big compared to competition