Thanks for all the replies
I'm glad I helped those who weren't sure get a better idea of the sound of these cans.
number1sixerfan: I think lots of people who have bought a pair still have it, and those very people are the closest to thinking the same way as me about these phones in a setup remarquably similar to mine - I wouldn't say anything I didn't mean about these cans, and nothing I said was exaggerated imho. I've been doing A/B testing for the past few hours between SA5000 and my beloved sr325i using DAC-1+RA-1 or DAC-1 alone, and the difference is really there.
It is a different sound than the Grados, not as forward, but that forwardness that I love with the Grados is replaced by more detailled and faster sounds, which in a way, if not as in-your-face as Grados, is more forward in a neutral kind of way. The Grado sound is colored, the SA5000s reproduce the recording to its best, and the difference in detail is there.
I won't say one is better than the other because each has its own sound, but so far, everything I've listened to sounds better, from rock to metal to jazz to reggae to drum n bass to hiphop to piano soloists concerts - everything is simply better sounding and more enjoying with the SA5000 so far. Maybe I'll get bored of neutrality soon, but frankly speaking, I highly doubt it