It's a sickening feeling that we ever have to consider this possibility.
I'm in Australia. I tried to look at wikileaks last night, it was "down" - the first thing that came to mind was being blocked. It was only after I asked some overseas friends on IM that I knew it was actually down down.
It's just like a free trip to China! I loved playing the "will this web site load" game there too - now I can play it at home!