I love this stack for webservers. Super light and super fast. I plan on writing a tutorial soon that will explain vhosts and the like. Take a look at the memory consumption of this server.

i-ride-on:~# free -m
             total       used       free     shared    buffers     cached
Mem:          1004        103        901          0          6         52
-/+ buffers/cache:         44        959
Swap:         1608          0       1608