There actually appears to be two whole new sets with two new premium content items which are all available in one compilation: http://store.thesims3.com/setsProductDetails.html?categoryId=&scategoryId=13231&index=0&productId=OFB-SIM3:43480
The new freebie is a couple of bikes from the Pushin' Pedals set (No Frills Bike Rack, Smooth Cruise (Adult and Child)) and the Bayside Kitchen set.