Hi, I'm about to buy a Phantom 3 Professional after a looong time of thinking if i should by the Inspire 1 or the P3P. I learnt when i researched the Inspire 1 that there are different versions with upgrades, for example version A,B,C and D. My question is if the P3P also has different versions, and if yes how to spot them? And in that case whats the differences? And is there anything else i should look for when purchasing the P3P that can be different between P3P´s? I will most likely have the possibility to check inside the box. I would appreciate a fast response since I'm about to purchase the drone today in a few hours. Thanks in advance. P.S Are there any waypoint functions yet for the P3 and the Inspire 1?