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
