As far as Node goes, there is still no "holy grail" framework that can help one build a web app seamlessly across both client and server side. The momentum will

As far as Node goes, there is still no "holy grail" framework that can help one build a web app seamlessly across both client and server side. The momentum will definitely shift heavily towards Node if and when that happens. Right now, there is still a lot of manual glue work needed to set-up a client side MVC app using Node + Backbone while also taking care of graceful degradation etc.