Well, I really liked the Confidential but it seemed to go dead today after 2 weeks of busy play. I could not get a good feel for the ball at all today with the Confidential. So after a lousy set, went to the 4G. I missed some of the comparative liveliness of the Confidential, but the 4G was firm and consistent.
As jangotango said that the Confidential seemed to "Open up" and played really well. But then it died.
I started playing with Luxilon Alu Power when I went to polys, I'd love it for several sessions only to hate it when it went dead. And it seemed to vary for me, often out of nowhere. Sometimes it would be a week, sometimes I thought I got a month out of the stuff. But the inconsistency was frustrating. Plus the cost. Went to Kirschbaum Proline 2. Maybe not as much spin/pop compared to Alu Power, but still good, cheaper and seemed to las a little longer---but would still go dead. Hence at the recommendation of a buddy went to 4G.
4G seems to have less pop and spin, but is just damn consistent. After 1-2 sessions it looses a little and then holds for a long time. Doesn't seem to drop off like other polys do but gradually fail, avoiding the dead out of nowhere feeling which wreak havoc with my game. I feel on a bad bed of 4G you can get work through it until you get home to restring. With other polys, you feel screwed once it is dead and just want to smash your racquet!
I still have another pack of Confidential to go, so I'm gonna give it another spin. I really enjoyed it at the beginning. Not sure I want to give up 4G if I have to start restrining racquets every 1-2 weeks, which would mean strining weekly with the racquets being rotated.