Yes, it’s a lot of bonus miles, unfortunately to qualify you’ll need to fly full fare economy or business/first to qualify (“discounted” H also qualifies but is hardly cheap) . Here are the details of the promo:
You can earn 200,000 American Airlines AAdvantage® bonus miles when you fly round?trip to Europe on American Airlines, British Airways, Iberia or OpenSkies. From New York City (JFK or Newark), you can choose from up to 15 nonstop flights a day on American Airlines or British Airways to London — with options to fly to London Heathrow Airport and London City Airport. You can also fly nonstop on American Airlines to Barcelona, Manchester, Milan, and Paris; on Iberia to Madrid; and on OpenSkies to Paris Orly. Each round trip you’ll receive 20,000 bonus miles and on your fifth round-trip you’ll receive 100,000 additional bonus miles. Simply register prior to travel using promotion code EURAA, purchase a qualifying First Class, Business Class or select Economy Class fare ticket* and complete travel by May 31, 2013.
Now to only find some reasonable transatlantic fares!
Includes First Class and Business Class fares booked in F, A, J, R, D or I; Economy Class fares booked in Y, B or H on American Airlines operated flights; First Class or Club World fares booked in F, A, J, R, C, D or I; World Traveller Plus or full fare World Traveller booked in W, E, T, Y, B or H on British Airways operated flights; Business Class fares booked in J, C, D, R or I; Economy Class fares booked in Y on Iberia operated flights; OpenSkies Prem Plus (booking classes W, E, T, Z, A), OpenSkies Eco booked in Y, B, H.