Award flights are now bookable through May 2014 with most of your miles. Not all award travel needs to be booked 11 months in advance, but for certain flights, you want to be looking as far out as possible.
One type of flight to think about booking now for May 2014 or next month for June 2014 is a west-coast-to-Europe flight.
Why book these now? What does space look like for May 2014 on key routes?