I have a Sony VPL-XW5000ES projecting onto a 133" screen in my living room.
For audio I have a Denon AVR-X2400H in a 5.1.2 configuration. My front speakers are Klipsch, the center is a ELAC UC52, the subwoofer is a SVS PB-1000 and the rear and height speakers are by B&W.
My setup evolved over many years but I pretty much have no complaints about it now. Everything looks and sounds perfect.
It's a hard game to get into. Played for 2 hours on my first run and didn't know where to go.
After 2 weeks or so I tried again because everyone was recommending it to me. Now it's one of my favorites, even though it took another 2 hours before I had any idea what I was doing.