I think that bin files are good to go, and you just download and ./filename to install them. Don't take my newbian word here. Found this for you from Google Groups:
This is how I install StarOffice 5.2. Hope it helps.
You will need to do the following as "root or "su" to root and install
it by following these steps.
chown 0.0 so-5_2-ga-bin-linux-en.bin
# this makes it owned by root
chmod 755 so-5_2-ga-bin-linux-en.bin
# make it executable
"cd" into the directory where the file is and run:
Install it where ever you want it, I will use "/usr/local/office52" for
example purposes. Once you have it installed you may need to change
the path to where you installed it in the next step.
Make a symlink so normal users can use it.
ln -s /usr/local/office52/program/soffice /usr/bin/soffice
The only thing left is to login as a user and run.
For each user that runs "soffice" for the first time It will
automatically install the user files.
I found my package manager by going to the start menu (err, well, whatever), and then scrolling up to system (in KDE), and it was listed there. Good luck!