If my ISP is going to crack down on my file downloading in a couple of months, what should I make sure to download before then?

I'm just thinking that there are so many things that are super rare or perhaps just not available in digital format that y'all would know about that I don't. So? Seriously, imagine if we are making a Noah's Ark of digital files, what would we need?

Music, movies, games, books, pictures...anything.