I recently bought Kontakt 4 for $379, at $140 it's an absolute steal. I recently bought a new computer, and Iam coming from what I thought was the best soundfonts you could find. I have been collecting and editing soundfonts for over ten years. The quality of the Kontakts samples are light years ahead of my soundfont collection. Iam not very deep into the editing at this time, however the morphing feature( which can be set up automatically, if desired ) is a teriffic feature that gives you smooth transitions between velocity layers. The instrument view for each of the libraries instruments is very intuitive and easy to tweak basic parameters. Of course, sound is subjective and in the ears of the listener. Iam a Jazzer( swing, be-bop ) so what I like is not necessarily to someone elses taste. Does this library satisfy all my wishes? Even at 43GB the answer is no. Is it a great library with fabulous sound quality? Yes ( Iam dissapointed that there is no vibraphone). Iam using Kontakt 4 in Realband without any problems. I would buy it again even for $379, at $140 I wouldn't hesitate for a second.....Bobby