The data synergy of Node + Web is hard to beat, and JS is very elegant for writing asynchronous code. Also, I've found the web (canvas, svg, webgl with Three.js

The data synergy of Node + Web is hard to beat, and JS is very elegant for writing asynchronous code. Also, I've found the web (canvas, svg, webgl with Three.js) to be an amazingly hackable creative platform. Just my two cents.