Do you have telnet or ssh access?
If you do I can walk you through the upgrade.
contact me on ICQ UIN 34544061
I'll be on this evening. If I don't answer your IM then I'm away from the desk.
In the mean time grab all the sources so you have them ready.
Never use RPMs. They are just evil and don't teach anything about how to configure software. RPMs are always way behind current release.