The big frakkin' robots appear to have won out over the woolly mammoths after all. Updated studio estimates released today show that Paramount's Transformers: Revenge of the Fallen was No. 1 in the photo-finish race for box-office supremacy this weekend, topping the domestic pack with $42.4 million, according to The Hollywood Reporter. We reported yesterday that Transformers and Ice Age: Dawn of the Dinosaurs were tied for the top spot when preliminary box-office estimates for the July 4 weekend were released.