In my point of view Aman has already faded completly with all its inhabitants.
Mortals neither can reach it nor see it. It is removed to the same level of existence to which the elves of Middle-Earth are doomed in the longrun of there lifes. To go to the west is not to escape from fading, but to accept it!
In Aman an elf might be less unhappy because he does not be reminded all the time about what he has lost, but he still HAS lost all intercourse with the physical world of Middle-Earth.
Respectfuly
Findegil
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