Should I get the upcoming iPhone 6s, or another Android (Moto Style)?

I currently own a Samsung Galaxy S4. It started off great, and then everything began to lag and it started cutting off service randomly. I've been reading about the new Motorola Pure/Syle phone, and it sounds pretty nice. It's OS is near stock as well. I know that iOS is simple, but dependable though. They also have great customer support.

I'm not much of a camera guy. I mainly use my phone for:
-Social media
-Music
-News
-Email
-GPS
-Playing emulators
-Texting and calling

Samsung removed the SD slot, and the IR blaster. Those are deal breakers for me. On top of that, Touchwiz is terrible. Should I give stock Android a chance, or should I just switch to iPhone?

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