http://www.gentoo.org/doc/en/handboo...?part=1&chap=2

i have refer to the installation manual. But i am quite confused with the 3 stage installation. So far i have downloaded the install-x86-universal-2004.2.iso, packages-x86-2004.2.iso. Is there anymore files i need to download to setup gentoo

If i am not wrong gentoo is not a gui based setup one?