Redhat

[stm23]

hi, i've just purchased a new laptop & wanted to install the latest version of 
the Redhat OS - so that i can replicate the canterbury university's cosc lab 
computers.  does any1 know where i can find a copy?  are there any 
installfests coming up, like last year?  also how much space does the OS 
takeup?  any advice would be greatly appreciated
cheers, sam