It is likely you are one person among a dark tide of nine or ten billion people (don't quote me as that is a rough estimate) who are all trying to shove their way through a single small door at the 'Sony Internet Immigration and Customs' office.
Likely the server is just overworked. Most of the time when a computer is full up, it will just refuse connections, leaving you standing out in the cold until it's load level drops.
Patience will be your only friend, I think, for the first week or two when creating new accounts...and she is a fickle wench...