Definitely check out the thread Al referenced. I would definitely emphasize the word illusion in your post, though, especially with respect to they are here. Simply not going to happen if you listen to large ensemble music. And I would agree with Charles that this is also very recording dependent.
You are there-they are here
What type of presentation do you prefer when listening to your system? Do your prefer the illusion of being somewhere listening to the performers or the performers in your room performing? Also, based on what you prefer, what speakers are you using? Hope this question makes sense.