Apple is receiving pre orders for its upcoming iPad since March 12, where as the shipment date was announced as April 3rd. Up till now, more than 150,000 pre orders have been received by Apple. The iPad comes in two models, with and without 3G. WiFi model will be available at retail in 60 days time while the one with WiFi+3G will be available in 90 days from today. Today, in yet another surprise move, Apple has announced following special price packages of iPad pre orders for educational institutions. Price details are as follows.