There's a new promo on the Air Canada website (copied below). They're offering a 15,000 non-status mile incentive to take the "daytripper" flight instead of the overnight options between YYZ and LHR. The downsides: the arrivals lounge at LHR is closed when the flight from Toronto arrives, and the LHR-YYZ aircraft doesn't appear to have AVOD in Economy. Looks like they're trying to fill seats. Thoughts on whether it's worth it for 15,000 non-status miles?

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From aircanada.com:

Earn 15,000 Bonus Aeroplan Miles - on our Daytripper flight between Toronto to London

Enjoy our daytripper flight from Toronto to London and arrive refreshed, with the convenience of an early morning departure and same day arrival. We’re the only airline in Canada to offer this great service.

Earn 15,000 Bonus Aeroplan Miles for every roundtrip or 2 one-way segments when you register and fly in Executive First or Economy class, for travel between February 5 and March 31 2009 on the following applicable flights:

AC868 Toronto - London
AC869 London - Toronto