Im 19 an my first coaster was a wild mouse at a funfair in my hometown. My first coaster in a amusement park was Devils Mine @ Fort Fun.
http://www.rcdb.com/de/m/ig1002.htm?picture=1
My List is only a Top 5, the other coasters I've rode are not very good.
1) Balder
2) Colossos
3) Lisebergsbanan
4) Wild Wild West (MPG)
5) Cop Car Chase