Which Linux distro works best/plays nice with rails?

I currently use Ubuntu server 6.06 LTS for all my servers, as described
here...

http://www.howtoforge.com/perfect_setup_ubuntu_6.06

and I set them up (repeatably) with capistrano and deprec.
http://deprec.rubyforge.org/

I tend to use daemon tools to keep critical services up and running.