Swampwalker, I have Merlins (VSM-MX with the superBAM). Just today I was at the dealers who has the 5's (by the way, they are 5's, not 5A's, I was wrong) with the m60's. He had them fired up for some customers. So, I have heard the M60's with 5's, but not with my Merlins. I can compare the 5's/M60 combo with my Merlin/monoblocked Berning combo, although that's not exactly what you want.