I bought my DXT with a 27" cam and shot it this spring and summer. I could get where I was consistent enough with it, so I switched to 27.5". This allowed me to anchor where I felt more comfortable. I have attached some pictures of my form for critique. In all pictures I am leaning back and need to correct this. The last picture I have a death grip on the bow as well. I am not going say which picture is will which cam, but I am more comfortable in one of the pictures. In addition, the pro shop I go to now will swap cams until I have settled on the one I want.