The infamous

We all have our own definitions of this. For some, anything above $ 700.00 on a pair of speakers is a waste of money, for others, that level becomes $ 7,000, or $ 17,000. Same goes for amplification. Just wondering what that level may be for most of us on the following components: Amplifiers, preamp, sources and speakers. Of course system matching is essential. Nevertheless, what's your opinion on this?