I just finished installing P3D v2.2 in Windows 8.1. I seem to be getting slightly better frame rates with the 777 (first plane I have tried).

The VC looks neat too (I'm pretty sure it looks neater in P3D in Wiundow 7 too). It must be the way P3D handles the textures better (just guessing). :o

Note. I'm not totally sure the setting are the same in both installations of P3D yet.