Looks like it boils down to AMD saying, "Great work, us, we managed to squeeze out more performance in a smaller die size. That will save us lots of...
The general consensus seems to be that the audio - the music, the sound of the guns etc - and the general atmosphere of the game, really elevate it....
Now that I think about it, that "other document" is probably a bank statement showing he'd been paying her the rent on the agreement he supplied this...