Check out this recent thread:
http://www.bikeforums.net/showthread.php?t=393481
The reports are not in yet on this saddle but it looks to be oriented to the issues you have. The air bladder is adjustable for frimness.
I have made contributions to the following compaies bottom line:
Fizik - Arione, Aliante, Aliante Gamma
Terry-Fly
Selle Bassano- Boxter
Velo - Carbon SLR, Gel Pronto SL.Z3
Selle Italia - Thoork