Gages make sure you turn off and on the 53! filters you have for MRC to ensure it is not sucking the life out of your system. I ran MRC from 250 down to 50ms and generated several filters since the Auto setting did not yield any filters. I ended up shutting off MRC (and going by M's auto setting) because it was ultimately counter-productive, even if i wasn't getting my $'s worth in terms of full features being incorporated into my listening.
Just because it's there doesn't mean you need to force it was the moral for me.