I had my bathroom walls replastered a fortnight ago.

Before painting them, I'd like to make sure the walls are best prepared -
the bathroom tends to get quite steamy, so I'd like to reduce the chance of
the painted walls starting to flake.

Can anyone recommend the best preparation process - (e.g. i've heard
elsewhere about PVA etc)

Secondly, does anyone know if these kitchen/bathroom-specific emulsions you
can buy are actually any different from 'normal' emulsions? Do they really
have moisture-resisting properties?

Thanks in advance for any advice.

Eno