> Which datacenter? All of them?

I did no datacenter-specific test. The Google toolbar on three PCs showed
"No PageRank available". These were three IE and one FF browser. I tested
with various big sites (Google, CNN, Microsoft, Reuters, ...).

I am located in Germany.

--
Michael G. Schneider
Movable Type Weblog
http://www.movable-type-weblog.com/