Why Nginx over Varnish? I'm not posing this to be difficult, just want to know why people feel Nginx is that much better. I've had the chance to use Varnish using a plugin that was sold her that is no longer supported/updated for DirectAdmin that won't even install under CentOS 6.2, but had very good results with it. It served as a great cache with an apache/php back end, where dynamic files and htaccess could still work flawlessly.
From what I've seen Nginx doesn't handle things quite that easily, but I may be wrong... If so, tell me... Thats what I'm looking for as I need to get another solid caching front end in place.