Amazon currently has the following sets on a notable discount:
LEGO Chima 70008 Gorzans Gorilla Striker $25.59 (49%)
LEGO Super Heroes Tumbler Chase $23.99 (40%)
LEGO Ninjago Nindroid Mech Dragon $57.59 (36%)
LEGO Lord of the Rings 79014 Dol Guldur Battle $47.99 (31%)