More than a month since last post, here I am writing about an audition at home. To those who have patience to read the lines below, please feel free to correct my english, because that´s the only way I can improve my writing.
As the seller doesn´t have Bryston, we tested MA GX300 and Magnepan 1.7 with Plinius Hautonga (Class A/B, 200W).
I felt the 1.7´s bass bigger than when I heard them at the store, but the it wasn´t enough as it lacked impact. So, we connected the Rel T7 (subwoofer) and what a nice match

The system played Classical, Jazz and Rock with great dynamic. In spite of being a very reverberant room, it handled, at very high levels (volume knob at 11 o´clock) the low and high frequencies so well that we continuously heard music for 5 hours with an amazed smile and never tired. With electronic music, and specially with a specific CD, we heard effects of bass I never thought they were recorded. Trying to describe: quick and powerful percussion at the back of the stage and from time to time a shot of bass that runs all along the room floor in a precise line. But so precise that seemed like if the floor has a line of subs passing at the left of the sofa from front to rear wall. More fantastic is that Rel T7 was placed right in front of the sweet spot, what proved that the system is capable of a noticeable separation and positioning of instruments reproducing a 3D image. The subwoofer integrates very well with the 1.7 because it visually disappears. So, if my eyes doesn´t search the sound source it´s because I have a good (virtual) scenary set on

Decided to give MA GX300 a try with Tom Waits. First impressions:
a) good and solid bass; it´s difficult for me to describe, but it was like a wall of (good) bass comparing with Magnepan + Rel;
b) Tom Waits´voice sounded more thin and scratched than it really is;
c) perceptible box coloration.
I can´t say the GX300 were worst than the other combination, but the truth is that we reconnected the Magnepan and continued hearing them for one more hour and didn´t come back to GX300.
I´m still not decided and I´d appreciate to hear your opinion on the following.
About amplification, I can´t compare Bryston BP6+4bsst
2 with Plinius Hautonga, but I suppose that the first combo will sound even better than the second, as it has more power. Bryston´s are about $1500 more expensive. Do you think it´s worth it?
Concerning to speakers, I got the idea that GX300 are very good if powered by a good amp. They are a very nice piece of furniture, and become even more beautiful if compared to Magnepan 1.7

They´re about 60% of Magnepan´s+REL T7 price!
Comparing Magnepan´s+REL price I have other options that I could buy without demoing:
a) MA PL200 (exactly the same price);
b) PMC PB-1i ($500 less);
c) PMC OB-1i ($500 more).
Shot me your point of view, please.

Thank you.