At the time of writing (May 2, 2013) background data has already begun streaming for patch 5.3, which means that you can expect it to arrive within a few weeks. An official date has not been given yet though.
Getting the X-53 Touring Rocket means you have to invite a friend to World of Warcraft, and you get it after they pay at least one month of subscription or use a game card. The easiest way is either to see if a friend you know wants to have a second account, and offer to friend him. You can even invite yourself as a friend and pay for the second account with a game card. Once you have the touring rocket, you don't have to keep the second account after you get it.
No. There are a lot more than 53 cities in the world.
Our World - 2011 1-53 was released on: USA: 15 December 2011
There are 53 types of nuts there in the world...
7:53 am
53
53% of water is undrinkable
at the age of 53 to 55 years old but it can come later than that.
in 53 days 8 hours from now.
10000 to 53
Where in the World Is Carmen Sandiego - 1991 VIII Is Enough 2-53 was released on: USA: 9 December 1992
Where in the World Is Carmen Sandiego - 1991 The Case of the Creep in the Concorde 1-53 was released on: USA: 11 December 1991