Well what kind of paste or spray are you going to be using? Leather or balsa strop? Personally I like balsa it's more responsive and I think it gives you better feedback. I use wicked edge pastes and Hand american diamond sprays work really well. I really like both brands and mediums equally. As far as progression I think either will work but if I had to go with only two step-downs I would probably go with 1.5 to 0.5 microns. But if it was me I would go with 1.5 to 0.5 to 0.25 but then again I am a little excessive. If you have any questions please let me know I will try to help!!