In addition to recent Amazon sale, some new sets have been put on discount of 30% or higher. Here are some notable ones:
LEGO Ninjago Garmatron 70504 $25.49 (36%)
LEGO Chima Eris Eagle Interceptor 70003 $22.97 (34%)
Lego Castle Dragon Mountain – 70403 $32.99 (34%)
LEGO Star Wars Z-95 Headhunter 75004 $32.99 (34%)
LEGO Friends Heartlake City Pool 41008 $26.60 (33%)
LEGO Star Wars AT-TE $60.99 (32%)
LEGO Galaxy Squad Hive Crawler $47.99 (31%)
LEGO Super Heroes Daily Bugle Showdown 76005 $35.15 (30%)
Is the sale over? Dragon Mountain looks like it went up.
These things can be fairly transitory, based on their inventory.