Tungsram +120 from were mentioned as best on this thread, just passing the word along...
https://www.candlepowerforums.com/threads/best-h1-bulb-currently.479006/
Of course a place to buy them would be nice:
http://www.danielsternlighting.com/products/products.html
No clue how long MFM will last. Assuming as long as the 3G network stays up. That's gonna be a gradual process and not an overnight thing so it will depend on your area how soon AT&T will kill that.
The 4G upgrade will forcibly move you to FordPass. So far up to this point on other models Ford has made the basic remote access stuff free for life and feels like they're all in on making FordPass a one stop shop so 'for life' or until something better comes along. But it should remain free.
I have installed Auxito bulbs all over my C-Max and they make the low and high beams simply amazing. You can look for my video on the installation here: