Are future improvements in Amp/PreAmps slowing to a crawl?

Mr. Paul.  I have an ancient Sony strd1011s in the closet that kind of does what you suggest a perfect amp does.  There's a bunch of goofy low-fi surround/reverb effects that allows one to approximate what different seating positions and distances in various venues would sound like.  That thing is cool to play around with, but it is far from perfect.

I might agree that a "perfect" amp would sound like no amp, but I completely disagree that a "perfect" amp would allow a volume knob to function as a zoom for proximity.  That wouldn't be "perfect" to me, except perhaps from a point source in a true anechoic chamber.  Cues for distance include much more than just volume.  If the amp included those cues, it would no longer sound like "no amplifier." 

@roger_paul 
If you're going to come here and tell me you've built the perfect amp I'm going to call you a liar. You have not. I've asked for a concise definition of it's operating theory and measurements and you've talked in circles. 
Your understanding of a volume knob's function doesn't even make sense. If a flute is miked 15 feet away and recorded, the reproduction system should present that flute 15 feet behind the speaker. If you turn the volume to a whisper it stays at 15 feet. It crank the volume to 11, it gets louder, but stays at 15 feet. This truth is obvious to anyone who's heard a decent stereo. The spacial distance information is in the recording. Adjusting volume is nothing like moving around an auditorium. If you go wandering around a venue you're not just hearing the reduced magnitude of the sound. You're hearing the acoustic character of the room and space between you and the instrument at the various points in the room. Your explanation makes no sense. 

You know, way back on September 12, Roger offered to send one of his pre amps to Kosst to audition under no obligation to buy. He flatly turned him down. Then he has spent the next month berating him and proclaiming that there is no way his product can do what he claims. Just listen to the damn thing and form an opinion after that. Quit f***ing speculating about what it can and can't do. What do you have to lose? It takes a special kind of a**hole to act that way. 

@csmgolf 
I don't recall an offer that paid 2 way shipping. For the last 4 months I've been dumping every spare dime I've got into lawyers and travel expenses to deal with a very ugly situation with my daughter. Giving Roger a fair shake at my expense hasn't been any kind of priority. Since you've followed this thread well enough to dredge up this incident as ammo to call me names with, you've surely noticed that I was abundantly polite in trying to tease some very basic information from him. His claims sound like snake oil. I'm a guy who'll call out his best friend in his own living room for treating his wife like crap. I have no compunction about calling snake oil claims what they are. 

I am truly sorry about your financial situation. You state that giving a fair shake at your expense hasn't been a priority, and I can empathize with that. On the other hand, you haven't, for one second, avoided burning him at the stake at every turn. Kind of a one way street, isn't it? Apparently the sword is only supposed to cut in the direction of your personal bias. In the same vane as you, I have no compunction about telling someone they are acting a fool when they are. Hopefully, you will get out of this financial mess and find a way to actually listen to the piece of gear you are discrediting. Of course, at that point, you could let all of us know whether it sounds as Roger describes or not. If it does, could you and would you swallow your pride enough to actually admit it?