if I were you ....
Buying my 1st Lange , I will pick the iconic Lange 1 or the Datograph.
If im considering a dress chrono , only the Patek 5070 and the JLC Duometre can rival the Datograph one of which is discontinued and the other not ready for delivery.
If im considering a PC, there are just too many out there besides the LP .
So I will definitely take the Dato 1st and consider the LP later
George