The new 70-400mm f/4-5.6 G SSM II lens just has been added on the Sony Europe sites (see Sony UK, Sony DE, Sony IT, Sony FR). The lens will ship from April. The new Zeiss 50mm lens is already listed since yesterday at Sony UK, Sony DE, Sony FR, Sony IT, Sony ES (available in June).
There will be a second US announcement of the same stuff on Monday.