hi, im not entirely sure about either tbh but as i too use Suse and nVidia i thought i could try and offer some help. First, the YOU problem. my Installation Source reads:
Germany: University Kaiserslautern (http)
and the 'location' is:
this set up always seems to work fine for me. make sure u hav manually select patches checked too. u can always use the updates on www.suse.com
but that can probably be a pain.
as for nVidia, when i tried to dl the latest driver it always seemed to hang on 50%, but if this is the problem u just leave it for a long time and it finishes. If it just comes up with errors then im not sure as i had that problem too but only when i tried to get the nVidia drivers without an nVidia card. if this happens hav a look in the current driver and display settings and see if u notice nething amiss. if you hav no luck then try n get the normal drivers from www.nvidia.com
and follow the suse instructions. good luck m8!!