I can't see your pics annoyingly, but i think all white is lovely. thats what i have in mind too when I'm pregs.
as ong as its not stark white i don't think its clinical at all, plus you can soften it with accessories like your rug, cushions or some art work on the walls etc.
in advance!! i was thinking slightly coloured white walls, sort of a tinge of lilac or something but still white (you know in b and q you get like 100 different shades of white just a tinge of a colour in them). that way they white furniture is slightly lighter in colour so it looks really nice.
ooh - have u seen nice bed sheets in white? john lewis have some, but somewhere i saw ones with a little embroidered rabbit on too, but can't find them anymore!! ( not that i hang out in nursery departments in my spare time, then run away crying or anything weird like that!!!!!!!) oh now I've got all nursery excited!