Maybe that's it, I got the black leather one and I love it plenty. Pretty scuffed up though after a year, might have to get a new one
That's the big question! We don't know if doing the iPhone Upgrade Program requires activation on a carrier, or if you can do it while still being on a 2 year/device payment plan contract. We should know more info in the coming days
That would be the only payment plan Apple as a company offers:
http://www.apple.com/shop/iphone/iphone-upgrade-program
I'll also say that in February the 2 year contract and the device payment would obviously only come into play if you DIDN'T get a 6S before that. You can keep on going contract-free at that point or switch to someone else
This is also true. If you switch to T-Mobile and buy a phone from them, they'll pay your early termination fees. There's a few more terms and conditions that to be honest I've never read despite my interest in switching to T-Mobile. I'd either call them or stop by a store to get the whole scoop