[deckiedan]

I'm not a node guy, but I thought one of the big advantages was just that... that you could use a lot of the same code. ORM/object modelling should be fine on server or browser, also template rendering, data/form validation, etc.

One thing that is a pain in conventional web development is for a lot of these things having to implement them twice (or write clever automatic converters or whatever to generate the backbone.js (or whatever) boilerplate models from the original django/rails/whatever/schema.