I am in the process of upgrading one of my servers.
Hardware upgrade
1 GB RAM
a 250 GB Harddisk (Seagate)
Software:
I have installed SuSE 9.3 and now all I have to do is:
install Apache (it would be nice to Apache 2 installed)
install PHP (it would be nice to have PHP 5 running)
install MySQL
:-D