) and had it sold in about 2 hours after posting - amazing! So you should have no problem selling yours. Gamestop is a rip off because they will not accept new, unopened items. You will have to open it for them and then they will give you the used value price for it. As far as sound, I have a very small house, too. It's even smaller than yours 
but not by much. Our living room is 13' x 13' and there are 3 doorways that kind of make it difficult to set up the HT in a variety of ways. But what I bought were Polk Monitor 30s for the surround channels, they are right behind the sofa angled to the center seat. I have Polk Monitor 40s for the front mains, they are a couple inches away from either side of the TV, and a Polk CS20 for the center channel, above the TV on a stand I put together that sits behind the TV (the TV is on a TV stand, but you could wall mount the speaker). Behind our TV is a cutout in the wall for a window between the kitchen and living room so I can't wall mount anything. For a receiver I ordered a previous year's refurbished model, Yamaha RX-V667 to manage the blu ray player and video game consoles for 5.1. I love the speakers and I think they are one of the best values. I ordered all from Newegg when they would have good sales. I think I spent right around $500 for the receiver and 5 speakers - each bought at different times so I had to watch the prices and wait for them to drop again. For a subwoofer I chose to DIY Bill Fitzmaurice's Tuba HT, which is about $500 for all lumber and parts, and is very doable if you have some tools, a bit of DIY know-how, and the room for it because it's big - 24.5" x 36" x 36". But that sub fills the room easily and will amaze you. After having this speaker setup I could never go back to a HTiB or go to a soundbar. The soundbar will definitely be an improvement upon TV speakers, but if you can get a full 5.1, or even 2.1, system I can't emphasize how great it is enough - especially if you like watching movies. I bought my AVR first and couldn't use if for a month because I didn't have the speakers for it (can't run 3 ohm HTiB on a real AVR). Then I had a 2.0 set up, then 3.0, then 5.0, and finally 5.1. It was about 5 or 6 months total but well worth it, so if you can only do a little at a time, like me, you'll be much happier in the end.
) and had it sold in about 2 hours after posting - amazing! So you should have no problem selling yours. Gamestop is a rip off because they will not accept new, unopened items. You will have to open it for them and then they will give you the used value price for it. As far as sound, I have a very small house, too. It's even smaller than yours but not by much. Our living room is 13' x 13' and there are 3 doorways that kind of make it difficult to set up the HT in a variety of ways. But what I bought were Polk Monitor 30s for the surround channels, they are right behind the sofa angled to the center seat. I have Polk Monitor 40s for the front mains, they are a couple inches away from either side of the TV, and a Polk CS20 for the center channel, above the TV on a stand I put together that sits behind the TV (the TV is on a TV stand, but you could wall mount the speaker). Behind our TV is a cutout in the wall for a window between the kitchen and living room so I can't wall mount anything. For a receiver I ordered a previous year's refurbished model, Yamaha RX-V667 to manage the blu ray player and video game consoles for 5.1. I love the speakers and I think they are one of the best values. I ordered all from Newegg when they would have good sales. I think I spent right around $500 for the receiver and 5 speakers - each bought at different times so I had to watch the prices and wait for them to drop again. For a subwoofer I chose to DIY Bill Fitzmaurice's Tuba HT, which is about $500 for all lumber and parts, and is very doable if you have some tools, a bit of DIY know-how, and the room for it because it's big - 24.5" x 36" x 36". But that sub fills the room easily and will amaze you. After having this speaker setup I could never go back to a HTiB or go to a soundbar. The soundbar will definitely be an improvement upon TV speakers, but if you can get a full 5.1, or even 2.1, system I can't emphasize how great it is enough - especially if you like watching movies. I bought my AVR first and couldn't use if for a month because I didn't have the speakers for it (can't run 3 ohm HTiB on a real AVR). Then I had a 2.0 set up, then 3.0, then 5.0, and finally 5.1. It was about 5 or 6 months total but well worth it, so if you can only do a little at a time, like me, you'll be much happier in the end.
The only downside is that you're getting inferior
The only downside is that you're getting inferior
