Check out Domus' recordings of the Brahms piano quartets. Domus was an English group which has since "regrouped" as a piano trio. Their recordings of the Schubert trios (on Hyperion) are also incredible, both performance and recording wise.
Brahm's g- minor piano quartet
at a loss here. as I don't like the amadeus, perhia, pollini , quartetto italiano, nor the ax ma stern laredo set. Help! Open to historical, or live performances too.