Is it possible for something to be the best?

Okay, if you want to pin it down hard, the "best" is to be defined by a set of parameters. The term "best" only applies when there are parameters set. If the parameters are measurable, then a given item that measures best could be called "best". If listening tests are the parameter, then the listener's idea of best are the ones that fit his taste. ETC. for other criteria. Also, with audio, the system matching is important, because simply assembling all the "best" items doesn't ensure the "best" sound. This includes the room, as Bomarc says. I could safely say that no one system would be the "best" for everyone. This includes price. The "best" is of no use to you if you cannot afford it, other than as a reference point. This also includes experience. Your idea of "best" may change as your experiences widen and deepen. As I stated above, the best you can hope for is to get the "best" for you.

Can God create a rock so heavy that he can't lift it? Not for me I'm an atheist in audio as well as religion. No bests here.

Marty, you're God's too small. You need an upgrade!

There is always a best in every category. If you don't believe me, simply as a manufacturer of any product and they'll surely be able to tell you what is best and why : ) Sean
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Sean, if I asked every maker line level pre-amps which is best each one will have a reason why theirs is it.
I didn't start this thread to make a mockery of all the equipment out there or marginalize everyones system. I just wonder if it's possible for anything to really be the best. As an example; SETs measure badly but sound great, at least to their buyers. If both of those statements are true can SETs ever be considered to be the best?
It has been said that pursuing sensation dulls the feelings. Is pursuing the best system actually dulling our ability to enjoy listening to music?