There was a time when I very much enjoyed spending hours putting together new systems, wiring and rewiring the house, and programming universal remotes, however, a new house and 2 new kids has rendered those times impossible.
I have had a 70" Aquos on the wall for almost 2 years now using nothing but the TV's speakers and I am ready to get more from my viewing experience. I have looked around a bit but time and technology has seemed to pass me by in the last 7-8 years which was when I last put a system together. So, I was hoping you all could help point me in the right direction. Here are some of the highlights of what I am looking for:
 - 2.1 system with a sound bar and sub (the sound bar will go on the mantle below the TV so I definitely would prefer to go that route as opposed to book shelfs or other options)
 - Simplicity. Easy out of the box setup and operation is important to me, this factors into the universal remote as well.
 - Sound. I want it to sound good. I don't need my neighbors to hear it or my windows to shake, I just want decent room filling sound
 - Expandability. I would like to be able to add freestanding speakers in other rooms wirelessly. I have a pair of Polk Monitor series tower speakers that I like a lot that are in another room and it would be nice to be able to utilize them for music in the room they are in, wirelessly.
 - $1500-$2000 max budget.
Any guidance would be very much appreciated.
Couple of questions as well:
 - When I think 'receiver' I think receiver/amp with the speakers AND components being connected to it. With the system I am looking for, all the speakers would be powered so is there a 'receiver' out there that would act simply as a switch allowing me to connect my other components to it but not actually providing any speaker connection/amplification?
 - Is the soundbar going to connect to a 'receiver' or the TV? Connecting it to the TV would be much simpler (and would also allow me to hear sound from SmartTV apps without runing a cable from the TV Audio out to the receiver) because in order to connect to the receiver I would need to fish that cable through the wall but if its connected to the TV and I want to listen to music would the TV need to be on in order for the sound to reach the soundbar? I am a little fuzzy on how that would work. My TV is a Sharp Aquos 70LE745U.
Thank you in advance for your help!