Other Advantage via Dublin, US Preclearance. The Choice is clear, and going via Dublin gives you a night in Dublin City with over £400 extra in your Pocket.
So how Guinnesses is that? Or if Mrs Pottwiddler was on here 'pairs of Jimmy Choos'
Seriously, it raises the need for more feeder flights to major hubs such as MAN, CDG, MAD or AMS and cheat the APD...