most stable, secure, & easily installed spdy & hiphop php linux?

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http://unix.stackexchange.com – As I've just learned with CentOS, not all linuxes are created equally. CentOS seems to be so obsessed with stability & security that it almost never updates an rpm. This is not meant as an insult. I'm sure there's another linux that always wants to be cutting edge, sacrificing stability & security. To each his own. In this case, what linux would be most stable, secure, and easiest to install spdy and hiphop php (and apache & mysql if that matters)? I'm obsessed with performance, but I'd rather not sacrifice security & stability to any rational degree. The ease of install (HowTos)