I noticed on distrowatch there is an openSUSE live DVD available.
It says in the relase announcement it is available for all x86 compatible systems.
By that does it meant is is for 32-bit only or will it run on 64-bit and actually install the 64-bit to hard drive?

It's available as both 32-bit (x86) and 64-bit (x86-64). 32-bit will run on a 64-bit machine; the reverse is not true.

Your answer would suggest to me that there are versions for each arch but there is only one LiveDVD link in the release notes and browsing the download server also only shows one LiveDVD.
Look HERE there are 3 release DVD's one for i386, one for ppc and one for x86_64.
Then there is the liveDVD which does not display an architecture, which would suggest to me it is for all architectures and will detect the computer and run accordingly, but if that is the case, what would happen if you wanted to run 32-bit on 64-bit?
Like I said, the release announcement states "all x86 compatible" but I thought x86 meant 32-bit?

I want to run 64-bit but it is not clear to me at all what this LiveDVD is. Also, I would like to know if this LiveDVD can indeed be installed to hard drive. I can't find any documentation about it at all.

According to this page the Live DVD is NOT installable http://en.opensuse.org/Download. Can't answer the other question.

Thanks, I don't know how I missed that.
If it's not installable then the other question doesn't matter.
I have openSUSE installed but it was originally, 10.1 updated to factory then to 10.2 and I want to do a fresh 10.2 install so it's pointless downloading the LiveDVD.
I just didn't want to mess around downloading 3 cd isos and burning them or downloading the full install DVD when I will only install a tiny fraction of the stuff on it.