I don't even think it's a question. This is going to be amazing.

I don't think so. It's more likely that Sony could link up with Google for the Google Play Network integration, whereby being hooked up with iOS automatically.

Crossplay between players on Xbox Live and PSN would be great.

What would be better is console online play without the need for either network. Console multiplayer working the way PC multiplayer does would be much better and would allow people to continue playing their games even after the official servers are taken offline.

Unfortunately a lot of games are starting to work with Windows [Asphalt 8] but they aren't really putting the effort in just yet. Updates come late, and support is far between because of the low penetration. WP8 is taking strides by stealing the Blackberry market, but they need to hit that next level where they can steal from Apple and Google, and I think the only say is to drop the word Phone and just be Windows.