Folks,
If you follow @CesiumJS on twitter, you may have noticed a lot of cool 3D building screenshots (like this and this). These are screenshots of an application Cube Cities is moving from the Google Earth plugin to Cesium. Their founder, Greg Angevine, has shared his thoughts on moving to Cesium in a guest blog post:
http://cesiumjs.org/2015/01/27/Migrating-from-Earth-to-Cesium/
It is a good read!
Patrick