A few months ago there was a guy that got on here that had a "discussion" with me about this...IIRC, he was bitchin because I said that rigid mounts of any kind were gonna add some NVH back into the chassis. He claimed that he had the poly mounts, and that he hadn't noticed any additional harshness.
I said that he was sensory deprived.
Think about it. Ford ( and the rest of the industry) puts the rubber mounts on the cars it builds. Not a poly, or solid ( like Mike has) for the very reasons you are noticing....the drivetrain vibrations are gonna be noticible. And depending on your car ( whether or not everything in the
suspension is new, and the interior is quiet,) and your own sensitivity,....they'll be more or less noticible to you.
I don't notice the solid mounted banger until it gets to a certain RPM,..then I can feel it. ( feels like there's something wrong with the engine balance)
You just gotta decide if having a more rigidly mounted drivetrain is worth the added harshness.
The best way to do that is to reach between your legs and feel around to determine if you came factory equipped with with an inny, or an outtie.