Congratulations! I've always liked our walther (a p-22 that came to us WELL used) I think they make great guns. I hope you never lose the kid in a candy store feeling of a new gun.
I bought one of their Stays-Puts for my Beretta 950 summer/backup. It grips the fabric on the inside of the pocket when you draw. It works perfectly for me.
My only concern with those is that they're pocket holsters, and as you may know, women's pockets are highly impractical and extremely small. I was looking into sticky and remora holsters because they were clipless IWB holsters. I was really pulling for open carry, it would make this whole concealment problem irrelevant.. but its looking like we've still got a long way to go before thats a reality..
Unfortunately it does look like open carry isn't going to happen soon. If you are, know, or can hire a good seamstress you might think about having the inside of a pocket made larger to hold a weapon. I don't imagine that would be a solution for every pair of pants, but for some it might work quite well.
If anyone's interested, I finally did get myself a remora holster and I love it! They have a serious sale going on right now, 25% off and a free mag holder with your order, so if anyone else is interested in getting one now would be the time!