sound difference MIT ORACLE AC1 vs ELROD vs PURIST

I am thinking to select one of the three on title.
MIT ORACLE AC 1, ELROD STATEMENT or PURIST DOMINUS.
i would like to know your suggestions on sound differences, if any.
my system is: mac mini/Cary 306 SACD as transports.
MIT ORACLE MA Digital
BERKELEY Alpha
MIT M1 IC
SPECTRAL 150S2
MIT M2 Speaker cables
KHARMA 3.2

thanks