I'm stockpiling all of the updated scenery installers ready for when P3Dv5 is stable, and enough of the aircraft have become compatible with it. Until then I continue to use P3Dv4.5 AS normal until v5 meets it's benchmark. Your best bet is to pay monthly for v4.5 and when v5 'gets there' then make the switch!
When looking at the video I am quite impressed by their "NEO". Its a default aircraft and you have some auto pilot modes (managed/selected), RA callouts and even a functional FMGS. I cant complain to be honest when I compare it to the default A321 back in 2006
Also - have you seen the bumping wing at touch down? Looking very nice!