Three reasons why the PS4 is the console to purchase.

[Jaywood2010]

Three reasons to buy each console could be made.

PS4

1. Naughty Dog and other great 1st party games(devs)
2. Superior Hardware (Not including camera)
3. Solid entry fee ($400)

XBO

1. Halo and other great 1st party games(devs)
2. Numerous Third-Party Exclusives and Timed Exclusives 
3. Impulse Triggers and Kinect

WiiU

1. Smash Bros and other great 1st party games(devs)
2. Cheapest of the Big three
3. Family oriented.

See, there is reasons to buy all three :)