I don't know if these are open enough, but here are a couple of my favorite two stories house plans:
I have always liked this one:
maybe when my kids are older I'll build it.
Here's another one that is gorgeous.
It doesn't hurt that the picture include fall folage.
I think this home has a timeless look to it:
If you want a first floor master I think this is a good plan. It isn't as open so that might be a concern.
Both I and my wife look at plans all the time so if these aren't what you are looking for, I will talk to her and see if she has any more ideas.
Best of luck with your search
Justin