Mens 21st birthday... help!?

My boyfriend of nearly 2 years is going 21 this year. last year i bought him a track day in a ferrari 355, and this year, with it being his 21st i want it to be just as good as that. I havent got much money to spend, about �100. He's into motorbikes and cars and thats about it! please help, any ideas would be fab.. thanks!