The 762 would only get you some extra cargo space and a few more
business seats and the 764.......well no chance, as I would expect
Manchester would be near the top of the list if there are any available.
Also you do not want the same as what happened at BHX when it went double daily - went from reasonably profitable to one of CO's top ten Int. loss making routes per some info posted on another forum.
Alright you can't believe everything you read but it was a pretty
convincing post and from a reliable source, if not a little naughty.
I notice that they didn't post the top ten most profitable Int routes
Perhaps 10 a week, it certainly got the pax and out performed BHX-EWR numbers wise during some months in spring.
Peter