Is it worth running Nginx for static files of my Node.js app?

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http://serverfault.com – I'm currently writing a web app in Node.js and will soon be setting up my Linux server to make it live. I'm curious, is it worth running Nginx for my Node app's static files? Is it running Nginx to reverse proxy to any other Node apps that maybe running on my server, or should I just use something like node-http-proxy and not use Nginx at all? My Node app will be using socket.io. Due to Nginx's lack of http 1.1 support, there seems to be a work around here. Basically, is there any advantage to having Nginx sit in front my Node app(s) on my server or will it just get in the way? (HowTos)