Managed cloud computing. A slicehost server for about $50 is roughly equivalent to $113 with enki. Not outrageous for a managed service, depending on how deep the management goes.
PHP cloud hosting. Very slick architecture. Custom managed EC2 nodes deployed behind varnish caches and nginx load balancers. Fairly reasonably priced.
PaaS offering for a wide range of platforms, free up to 8 servers, 2G of ram, 100M database. Supports, PHP, Node.js and more.
PaaS offering for Node.js. Based on units called "drones". Starts at $3/month for a single drone, free for open source projects.