Purchase decision

I am currently driving a Mercedes 220 CDI and I want to get a little sports car with powerful steam, my favourites are the following cars: Chrysler Crossfire 3.2 V6 with 218 hp, Honda S2000 with 239 hp and Porsche Boxster 986 2.5l V6 with 204 hp. Which car can you recommend, which one is the most sporty and goes best, which is the most economical, which one is the most reliable, which would you recommend? Thanks already in advance!