August 21st, 2014, 11:54
Joking aside, it's hard to compare an 8 year old sim with a new one. Do you compare vanilla with vanilla which is fair as that's the base product you can get off the shelf. One with 8 years of add ons and one without, or both with all the add ons? After all a lot of FSX add ons work in P3D, so it's not as if all your previous investment is written off.
Ultimately P3D is being developed to take advantage of 8 years of technological progress and has a future. However if you're happy with FSX there's no rush to change over, but each update makes it more tempting with little improvements here and there. For me cloud shadows are the killer USP and despite having a dual install I hardly ever touch FSX.