Ignore the previous post. You could do what MRU (MacRumors User, a fellow with a Fry Futurama icon) suggests to many folks: flash a bloat free rom without violating your warranty, thus making your Note 7 a carrier free device. However, the Snapdragon 820 bloat free won't be out for a bit, so that might take time. I suggest going for the AT&T version to take advantage of AT&T Wireless Calling, Band 30 LTE, etc. Just debloat it for now. Might want to go for a 256 GB SD Card instead of the Gear Fit 2 if you're concerned about getting the "best value" gift.
I made the permanent switch to the S7. The July patch messed up the battery, but the Note can do so much more. Do I miss some of the iOS UI, features, and Apple Apps? Sure, but the trade offs are so much more worth it. A ton of us have been former iOS daily driver users. It's only natural to want to switch given that the competition (Samsung, HTC, etc) have solid iterations and offer stuff Apple won't get till 2017 at the earliest. If you have anymore questions, feel free to reply. Welcome to the Galaxy family if you make the switch!