For my "1 month and 23 days" Signature P85+ cost me HKD1,013,500(I received my car on Aug 20, 2014), and if i order the "D" right now and with the same option it costs HKD1,071,100, the difference between the "P85+" and "P85D" are HKD57,500(approx. USD7,400), wait for another 6 -12 months and...