Amazon USA currently has LEGO City 4440 Forest Police Station on sale for $57.82 (reg.$79.99). Savings work out to be 28% off. Free shipping on orders above $25 and no tax to most states.
They also got LEGO Legends of Chima Razcal Glider for $9.49 (reg.$11.99) which works out to be 21% off. More of their hottest LEGO deals can be found here.