Today's "12 Days of Christmas" offer at Sonokinetic gives you the opportunity to get the Celesta library for Kontakt for 70% off.
Normally available for €49.90 (+VAT), this library is available until tomorrow 10AM CET for €15 (+VAT). It contains a total 4000+ samples in 44.1kHz/24bit NCW format for a total 3.1GB uncompressed. It requires the full version of Kontakt 4.2.4 or above.
More details and sound samples are available at Sonokinetic's website.