Sure, alright, but that's supposed to mean faster servers and a smaller footprint, and since one or two people here mentioned that Node doesn't really live up to that, my question is: What does Node offer me in terms of speed and footprint that, say, nginx doesn't?

... which are used to build web pages sent through a synchronous, request-response protocol that is HTTP. I understand asynchronous events are used in GUI design, where you have actual asynchronous sources (e.g. mouse), but what are the benefits for a web page?