Here is a quick calculation on the woz shipping dates based on current production numbers. My number is 461 and I placed in approx May 2011.

WoZ Shipping estimator                     
                     
Enter your approximate place in queue/1000                  461   
                     
Enter estimated Number of Machines being built per week                  10   
                     
Number built since Production began (approx)                  12   
                     
Estimated number of weeks till shipping                  44.9   
                     
Estimated shipping date                  19/03/2014