Sony has released a few videos for PlayStation 4 in order to get you excited over its North American launch next week on the 15th. The videos are as follows: Greatness is Portable with PS4 and PS Vita; A New Age for Games on PS4 System; Epic Journeys Await you on PS4 System; and DualShock 4: Revolutionary. Intuitive. Precise. Watch all four below if you haven't seen them already.