I am currently using two kinds of string on myHead Youtek Prestige MP 18*20. First, Hurricane 17(main)+NRG2-17(cross) Second, Tecnifibre Black Cord 17(main)+NRG2-17(cross) Actually, I am torn between two hybrid strings.... The first hybrid strings give me better feel, but less spin. The second ones give me much spin, but too tough feel. So I am finding more spin-friendly string(like Black cord poly) with more soft and good feeling. Which string do you recommend for me? Any comment, appreciate!