I think the main reason that I am getting the PS4 over the Xbox One is the sheer size of the X1. From what I have seen it looks huge, and I only have a finite amount of space to use it it. Therefore I think that PS4 would be the best bet in size comparison alone, especially considering it's specs are above the X1's capabilities. Also, I've never really been a big fan of Kinect, as I really don't see the point of it. Yes, it's a great piece of technologym but really the only thing I can see it having an application for is with voice recognition, and when am I going to use that? My PS4 would be sitting on the desk right next to me, so I would't need to shout out about ejecting disks and so on.
I think my opinion on this may be a little biased because I've always had a PlayStation, having grown up with 3 of the 4 generations. However I couldn't really give a shit about what console I get, as long as my friends are on it. I spent the whole of last generation lonely as fuck because all my friends got Xbox's and I had a PS3. I'm determined to not let that happen this generation round, and most of my friends are hooked on the PS4 so that looks like the way to go.
The only thing I believe is better about the X1 is the exclusives it boasts. Whilst Halo and so on are good, they are a bit samey, however two specific titles which caught my eye were Titanfall and Ryse. Both look fantastic, although I have to say that Ryse certainly catches my attention, especially after considering the fact that Titanfall only allows for something like 6v6 or 3v3 players online. Obviously the game would be filled with bots but to be honest I prefer FPS games with a lot of people. That's why Im looking forward to BF4 on the PS4, because it now has 64 man conquest or whatever.
tl;dr get the console your friends are getting. gaming is only as fun as the people you play it with imo.