Getting PATH to EWR would be a huge win. It's a pain to deal with the various schemes of getting from the airport to the city. PATH to EWR would probably put many taxi companies out of business. When I fly into Newark, the last thing I want to do is take the Airtrain to connect to something to connect to something else.
Heathrow definitely has it correct in terms of trains into London.
Heathrow definitely has it correct in terms of trains into London.