For 4 days only from November 24-27, Target America will be offering LEGO Ninjago Temple of Light and LEGO Quinjet Aerial Battle for $53 (reg.$69.99). Savings work out to be 24% off. All other LEGO Super Heroes, Ninjago and City sets are also on sale. In addition, you can use coupon code TGCDNTUZ for an additional $5 off when you spend $29 or more on any LEGO. For store purchases, you can print the coupon here.
This would bring both sets to $48 each (reg.$69.99) which works out to be 32% off! Thanks to forum member grymg for the heads up.