Well, where I work we do have a room with lots of stuff like this, though not quite as expensive.
There's the speakers, much like those shown here
https://i.pinimg.com/originals/af/c9/4c/afc94c3fe99e310eb508915351a0e71d.jpg
and here
http://photobucket.com/gallery/user/krille1981/media/cGF0aDpEaXZlcnNlIGJpbGRlci9Db29sIHNwZWFrZXIgc3lzdGVtcy9JTUdfMDcxNV96cHMzZjIxNGYwZC5qcGc=/

We also have the subwoofer unit that matches those speakers (all are electrostatic) .. and exotic D/A units, power cleaners, etc. Separate tube amps for each speaker, the obligatory extra heavy cables (I think some are Zentara brand), nice vinyl spinners (my kids call them giant CD's), etc.
The next door room I work in usually has a set or two of other high end speakers, other D/As, amps etc.

Some people I work with like to A/B different equipment combinations. When we're not too busy there is a weekly open invite Audiophile night .. just to listen to various things on various systems. Bring whatever source you want to use, or some new speakers to compare .. it's a nice relaxing time, and fun.

We took a work trip to a large audiophile convention in Chicago couple years back. It was amazing to see what kind of systems some people have assembled, and the variety of options. If you have it to spend, you can spend a ton of money on that stuff. Diminishing returns comes into play real fast though.
Learned a lot that weekend.
http://www.axpona.com/

Make your sound your own!
.. I do not work here, but the benefits are still awesome