I mostly write web apps using Python MVC frameworks which are run on top of nginx. It's simple and it works. Nginx is pretty fast and Python is a joy to work with.
What exactly can I benefit from switching over to Node? Is there any specific job that Node is best suited for? From what I've seen it's a just cool single-threaded non-blocking process that does the job of both the server and your coding language in one. Javascript is cool too.
Where does Node really shine--if it does that at all?
Would I really be able to handle a lot more requests had I written my web app in node instead of a python mvc + nginx? And will those individual requests be fast as well (without much lag)?