Software: Varnish > Nginx > PHP-FPM > MySQL + Memcache Server: Debian 5, OVH Dedicated Server ($99 a year) Atom with 2GB RAM 3rd Party: New Relic (Free), Clou

Software: Varnish > Nginx > PHP-FPM > MySQL + Memcache Server: Debian 5, OVH Dedicated Server ($99 a year) Atom with 2GB RAM 3rd Party: New Relic (Free), CloudFlare (DNS), Pingdom (Free) Running a blog and 3 other small projects 20-60 users online at anyone time, CPU usage rarely goes over 5%