Sususkier,
I would agree with perma-grin that the support/bonding offerred in a women's clinic is very different from a co-ed clinic or even a one/one private lesson with a woman. The level of bonding and support is amazing and it is a factor in helping you develop. In our group of 3 at Vail, the bonding was so strong that we decided to set up a reunion for next year with one of the Vail instructors.
Personally, I got a lot of development (and fun) out of the Vail clinic. But when I returned, I had a private lesson (with a male who pushed me fairly hard...I had asked to be pushed) and the combination of all efforts was REALLY noticeable.
I did a lot of research on women's clinics. The WAA in Okemo must the most talked about/recommended clinic among those I read about. Second to that I would say was the Ski with Kim clinic. I would say that those two clinics are oriented toward providing technical guidance, opportunities for social interaction and just have a "fun" orientation. Some clinics (the womens clinic at Squaw, for example, appears to be much more technically focused. In general, I've heard a lot about the clinic at Jackson Hole and have also heard, as perma-grin noted, that the snowsports schools in Vail and Aspen/Snowmass are really outstanding.
I was concerned about the level of individual attention in a womens group clinic. In the SKi with Kim clinic, the 8 people initially divided into 2 groups, each with an instructor from Vail and both of those instructors were VERY GOOD!!! In the following days, the groups divided into different splits depending on abilities/desires. I skied w/Kim one/one the last afternoon. So, that approach was much more flexible than a standard group approach. I think every woman was very happy with the level of attention. One woman had an all day private and everyone thought was great because she was notably stronger and needed the attention.
Overall, I would highly recommend a womens clinic in general and both the Heavenly 1 day and 4 day Ski with Kim. But I would also say, you will of course, get maximum technical input from a one/one private particularly if you find an instructor that you work well with.