Broke the Spin Cycle today, about 5 hours out of it. My other racquet was strung with Isospeed Pulse 17. It is a very, very nice hit. The gauge may be a bit thin for this frame, but the feel was there, just plowed through the ball.
The more I hit with this frame, the more I like it.
Volkl C10 Volkl Tecnifibre NRG 17