Hi Geoduck! Thought I’d chime in here because, like you, I’ve got a super-smart daughter and a super-smart hubby, too! So naturally the whole gifted/ADD thing intrigues me as well 
In fact, one of the questions you posed when I was still in my “wondering” phase was Was I bored and daydreamy in grade school because I was gifted? And I have to say that it probably was a big factor: I wasn’t necessarily gifted, (but then, they didn’t really test for that sort of thing back then), but I was definitely smart, and not being challenged, because back then they just threw everybody in the same classes, so it was all taught at the same speed, and so reading ahead in the books in class was something I couldn’t help doing.
However, looking at my daughter over time has been one of the things that made me begin to suspect I have ADD, because she’s really smart, and, like me, she devours books the way I used to at that age and has a love of writing…..
BUT she’s also a lot of things I never was: organized, disciplined, a planner, social, and, overall, very confident. Sometimes she’s hesitant to try things if she’s not sure she’ll do them perfectly right out of the gate, which can be frustrating, but she pretty much amazes me on a daily basis. I love to go into her room and look at her desk, because I was with her when she set it all up back in September, getting ready for middle school, creating special spaces for everything….And here it is, nearly one year later, AND IT STILL LOOKS THE SAME WAY! I marvel at how together she is, and all the wonder and awe at it all made me realize how much of that was lacking in my own study habits (or lack thereof).
Like you, I credit my extreeemely smart hubby with a lot of what my kids are doing right. It actually becomes a problem sometimes, when I’m feeling low: “All the kids’ good stuff comes from him, all the bad stuff comes from me….” It gets hard, sometimes, to not feel an imbalance, real or imagined.
Got lots more to add, but I can sense this is getting long, so maybe I’ll add more later on.