That is much cheaper than the more expensive alternatives that populate this forum.
Why don't Stax amps get as much praise and attention as the other alternatives?
I agree. I think different people just prefer different sound signatures.
I really like my RS1s also (I've had them for 10 years now).
If you like them, I bet you would love GS1000is (I got some and I do. They are a *better* RS1. The highs are sweeter and more liquid and natural.
And the imaging is better, much better; world class. Comfort is world class too.).
Skip the PS1000s.
The original GS1000s yes, but I was pleasantly surprised that the new i version is not that way at all.
The PSs had too bloated bass and some glare and peakiness.
The GSs are great to me now.
My impression is based on hearing the GS1000i. It had an even more spacious and crisper presentation than the PS1000. It sounded decidely v shaped, whereas the PS1000 sounded fuller - putting more meat on the bones. Both have accentuated treble but it's very smooth. I didn't notice marked differences in the bass presentation. Neither have the RS1i's mids but the PS1000 comes closer IMO.