Air France / KLM have launched their promo awards for the period until 31 March 2014. Unusually early, there are some reasonable offers available, offering up to 50% normal award mileage requirements. Details here.

Noticeable are: (Europe to USA)

25% off Business Class awards from Europe to Atlanta, Boston, Calgary, JFK and Washington DC

50% off Business Class awards from Europe to Chicago, Houston, Toronto and Vancouver

Outside the US the deals seem to be pretty much in Economy Class