I got my mergress a few days ago and I think this is the RAD killer for me. I only have 5 but this is by far the best razor I've ever used. It glides effortlessly over my skin and it's the smoothest razor I have. I don't really know what setting I'm using right now because when I have a blade in and have it all the way tightened, the 5+ marking is lined up with the dot above it. I loosen it to 1.5 and it has been so good I can't bring myself to loosen it anymore.