Why the three months to shipment? Bitbaza.com states that an order for the DM11G "will be shipped to your address directly from China through DHL/UPS" and "should take one to two weeks for your order to reach you"
Of course, I don't like to pay any more than I have to, but if I can have my miners in hand in 1-2 weeks versus the 3 months for a difference of $750, then paying the $7500 to bitbaza.com is far better to ROI if deliveries are as stated.
SO keep in mind that if they have production issues they may push it out. 90 days is the target today but based on the hash rate, these things were not maintaining 10.8 and were closer to 7.5. Still a good achievement but not at their advertised rate.