Let's have a look. I believe all machines are now running a similar configuration to what I'm on which is soy.
soy% cat /etc/issue
Debian GNU/\s 3.0 \n \l
soy% php -v
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 12941 to server version: 3.23.55-max-log
Apache/1.3.27 (Unix) mod_gzip/188.8.131.52a mod_ssl/2.8.10 OpenSSL/0.9.6c PHP/4.2.3 DAV/1.0.3
Oh and my database server is mel, I think, which was probably one of the early ones?
Basically, Dreamhost are running everything that you need on a stable production server.
Hope this helps.