One pile-on of a prior response and a couple of additional thoughts I have not seen in this thread.
The suggestion to try the keyboards on your short list is essential. I say that because I did so, and it resulted in me purchasing a less expensive keyboard: a Casio Privia PX-160. I found it felt just as good to me as the more expensive keyboards I was looking at, so why spend the extra money? I'm not advocating that as your solution, but it seems to me the only concern relative to your criteria would be whether it has enough voices for your goals. So far I have only used the grand piano and harpsichord voices seriously.
Something else is if this is to serve as your piano, you should consider whether you need a sostenuto pedal. While my Casio is capable of a sostenuto pedal, the manufacturer's set up requires you use their "permanent" stand for their three pedal assembly, and there goes your portability. I play two pieces that would benefit from a sostenuto, and neither my acoustic piano nor keyboard have the feature, although I have been researching an approach to adapting the Casio pedals to a portable stand but have just been too busy to take the project on yet.
I would also like to suggest that you want the keyboard to feel "right" for you, but don't get hung up on perfection. My acoustic piano, which I learned on, has a rather stiff action. The Casio has a very light action. I find that moving back and forth between the two has improved my ability to play an unfamiliar piano when I have the opportunity. So, don't worry to much if you next keyboard cannot exactly replicate the feel of an acoustic piano... it won't, but that's not necessarily a problem.
Good luck with your search!
The suggestion to try the keyboards on your short list is essential. I say that because I did so, and it resulted in me purchasing a less expensive keyboard: a Casio Privia PX-160. I found it felt just as good to me as the more expensive keyboards I was looking at, so why spend the extra money? I'm not advocating that as your solution, but it seems to me the only concern relative to your criteria would be whether it has enough voices for your goals. So far I have only used the grand piano and harpsichord voices seriously.
Something else is if this is to serve as your piano, you should consider whether you need a sostenuto pedal. While my Casio is capable of a sostenuto pedal, the manufacturer's set up requires you use their "permanent" stand for their three pedal assembly, and there goes your portability. I play two pieces that would benefit from a sostenuto, and neither my acoustic piano nor keyboard have the feature, although I have been researching an approach to adapting the Casio pedals to a portable stand but have just been too busy to take the project on yet.
I would also like to suggest that you want the keyboard to feel "right" for you, but don't get hung up on perfection. My acoustic piano, which I learned on, has a rather stiff action. The Casio has a very light action. I find that moving back and forth between the two has improved my ability to play an unfamiliar piano when I have the opportunity. So, don't worry to much if you next keyboard cannot exactly replicate the feel of an acoustic piano... it won't, but that's not necessarily a problem.
Good luck with your search!