...then I would do the following things:
1. Buy a house
2. Buy a car
3. Give some money to friends and family.
4. Go on holiday
5. Invest the rest, and put it away into savings.
Nothing to crazy! I may quit work, and do a job that I am really really passionate about like writing. All the time. I love writing. (I can't do that in real life because competition is fierce, and as much as I want to have a career in writing, I don't have the time to fight =[ ).