TRU is having a 25% off sale. This is only valid for the Farm sets (Farm, Harvester and Tractor) and some select Clone Wars sets (Magna Guard Starfighter ($37.49), V-19 Torrent ($44.99), and Twilight ($74.99.))
This is available both online and in the B&M stores.
Might be picking me up some Farm sets....
I think it's running through the 18th, but I'm not positive. Says in the B&M stores.