Komplete 8 Ultimate is easily the best bang for the buck in the industry. Not only can you pretty much find or create any sound you can think of, it comes at a great price. It's not an orchestral library though, even though it's got some respectable orchestral and cinematic samples.
http://imsproav.com/main/NATIVE21330.html
http://www.native-instruments.com/#/...te-8-ultimate/