As for the peep tubing-that is a major noise source. Another on this board suggested going to a sewing or crafts place and getting beading cord. It is elastic, thin and makes no noise. You just have to drill a small hole in your peep to tie through.
I shot next to a guy with a DC Patriot. He is on a hunting staff for a camo manufacturer, and he commented that my Martin Panther Mag was the quietest bow he had ever not heard. I could definitely tell the difference in noise levels from shooting mine, then his. I have leeches on the string and cable, 2 sets of limb savers on the limbs, and a Trophy Ridge Xchanger stab. Between the stab and the riser I also have a Doinker-like Cobra shock blocker. Makes for some very quiet shooting.