i'd buy a sports car (american), a truck (american), a decent house, a house in mexico, and the rest to pay for bills, gas, insurance, etc.
Car: 20k-100k
Truck: 30k-70k
House: 200k-500k
Mex House: 25k-50k (3 bedroom, 2 bathroom, 2 stories) my uncle builds houses :P
Mis.: ???k
Total Spent (Max): 720k (not including bills, gas, etc.) not including taxes.
Left Over: 280k