Titanic is still the most enduring movie on the box office; after eight months it's still in the top forty, bringing its final gross to over $600 million in North America.
In case you haven't heard,
Titanic is by far THE biggest hit of all time, with around $2 billion in box office receipts worldwide.
Now that it's on video, I expect its box-office receipts to pretty much stop; still, I'd say breaking the $600 million mark two days before it's released to video is NOT BAD AT ALL.