I'm posting this here, because this is where this type of discussion was last held.
First, I'm confused by "upgraded to silver." Were you being ironic, or was it a misprint?
Second, at two days past "cancelling" Gold and a day past when it would have timed out, I was still able to access all of my Gold content. I was kind of looking forward to playing one of my Silver characters, but I don't want to "upgrade" him if the processing just hasn't caught up. I have not logged on, today, but I guess i can report after Tanker Tuesday, tonight.