Qatar Airways just launched their July 2013 Easy Deals. Every month Qatar Airways will have number of destinations at up to 50% off of the usual number of miles required both in economy and business class. You need to pay the usual taxes/fees and fuel surcharges. You can access this offer here.
You need to register for this promotion at least 24 hours prior making the award booking. The booking window is open from June 17 to July 31 for travel from July 1 to July 31, 2013.