Understand the rules and play the game... Take carry on luggage only and open an account for a Visa Delta card.
18 sectors across the network during 2008, non costing more than £20 all inc. My best deal was Bristol to Morocco for £19 return all in. I got the emergency exit seat on all flights.
More frightening is Im starting to use them for work trips even when im not paying the bill, such is the convienence.
Smala01