Chamber Strings is now shipping in Kontakt 2. Giga to follow very soon. The pre-release price will remain for the rest of December, and maybe even a bit more.
Also, there will be audio demos soon. There is already a mockup of Vivaldi at http://www.kirkhunterstudios.com/WinterM.mp3
And don't forget that anyone who purchases KHSO Emerald in December still gets a free Chamber Violins disk that has quite a lot of what's in the full-blown Chamber Strings violins.