Analyst indicate PS4 sales will be fifty percent higher than Xbox One
Microsoft: Xbox One pre-orders 'through the roof' at GameStop
Major Nelson: 'Xbox One pre-orders trending ahead of Xbox 360'
Xbox One, PS4 won't sell as well as predecessors, says research firm
Xbox One: Day One Edition back in stock at Best Buy website
Amazon: PS4 outsells Xbox One, launch day stocks run out
Xbox One pre-orders sold out on Best Buy website
Next-Gen's Most Pre-Ordered Game goes to Battlefield 4
Xbox One, PS4 contribute to Amazon's biggest pre-order week
PS4 pre-orders top Xbox One's
Microsoft: Changes to Xbox One DRM policy and offline usage
GAME: Xbox One pre-orders 'very strong'