I've done this string for myself and for a couple of customers after finding out that they want a bit more power, but also control and spin. Once they get used to the bite they have all loved this string. I hope they continue to market this product because I can continue to sell it.
Volkl Psycho string is definitely a best buy. I've always enjoyed the durability of poly Cyclone string but I need a bit more power in my string. Being a hybrid, I find Psycho to be more comfortable, provide better power, while still being a durable string. Tension maintenance is good.