Soundbar or speakers?


Total audio noob here. My son is getting a PS4 for Christmas (ok, it's for me) and I want to kick up the sound a bit. Right now we are rocking built in speakers only.

Thinking of a Soundbar because it would be easy and cheap, but only if the sound is decent. 

If not a soundbar, what do I need for decent sound without going too far past the cost of a soundbar? Not interested in wiring or mounting speakers behind me either. Lazy here.
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No...I have a Samsung Smart TV and an Apple TV. We will get the new Apple TV at some point. 
@dangerangell Do you already have an amp? If so you can easily get some great Klipsch floorstanding or bookshelf speakers under budget.
Dollar for dollar you'll get much better quality from speakers. It just comes down to quality or convenience.
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I've got room on either side for small to mid sized speakers. How much we talking here? I'm gonna be putting down $350 just for the PS4 and we need a second controller because...I want to be Darth Vader.
For me, I’d rather have stand-alone speakers. But it also depends on the space around your TV (I have only a little).

I’m looking at getting the Harman Kardon HKTS 2 MkII. Since the speakers are nice and compact. 

http://www.harmankardon.com/home-theater-systems/HKTS+2+MKII.html