Sony releases Playstation TV today. The smaller system will allow you to play PSN and PS Vita games on your TV at home with a Dualshock 3 or Dualshock 4, and it will also let you stream games over your home network from your PS4. The system is currently priced at $99, but for $140, you can grab the limited edition bundle which includes the, "PlayStation TV system, DualShock 3 wireless controller, 8GB memory card, The LEGO Movie Videogame Game Voucher, AC adaptor, AC power cord, HDMI cable, and USB cable."
The Playstation TV FAQ is an excellent resource for those on the fence. Head on over and check it out if you are interested.
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