Fox's Ice Age 3-D: Dawn of the Dinosaurs opened very promisingly with $14 million Wednesday, $11.5M Thursday, $17M Friday, and $11M Saturday from 4,099 venues for a $43M 3-day weekend -- a photo finish with Transformers 2. (Rival studios had been claiming the pic wasn't tracking well with young boys, and that's why 20th sneaked it at 330 theaters recently. But Fox said it "added an additional marketing layer prior to the onslaught of TF2." But the public clearly hasn't tired of 3-D toons.) The threequel came out on top with a $68M 5-day holiday even though Saturday grosses were weak.