Hi, so I use tibhar samsonov force pro with dhs hurricane 3 on both sides. I also have another blade (Donic Persson Power Carbon Senso V1) with Bluestorm z3 (fh) and Bluefire m3 (bh). I am going to buy butterfly rozena (bh) and rasanter r47 (fh), and I was wondering if I should replace the two...