I would have to say Xbox Live wins it im afraid.
Im a Sony fan-boi I will admit. I have PS3, Vita, and a PS+ subscriber.
But if I want to buy a game I plan to play online, I favor the Xbox as it works better and tends to be easier, especially if I want to play with friends.
The best way to find out if you can trust somebody is to trust them.
Ernest Hemmingway