Bugatti Veyron -- 1,000,000 Euros; or $1,422,000
Bugatti Veyton (above): 986 horsepower engine, W-shaped, 16-cylinder engine
Owners: Ralph Lauren; Tom Cruise; Simon Cowell (American Idol judge); Ben Brooke (Hedge-fund manager, owns two) (Source: Wikipedia)
http://en.wikipedia.org/wiki/Bugatti_Veyron
Mercedes-Benz SLR McLaren Roadster - 703,000 Euros , or $1,000,000.
Mercedes McClaren (above): 627 horsepower, V-12 engine
Koenigsegg CCR - 422,000 Euros, or $600,000
Pronounced (KOON-is-egg)
Koeingsegg CCR (above): 802 horsepower, V-8 engine.
Koenigsegg CCX in Puerto Banus - Photo by Alex. Priced at about 1,400,000 Euros, or about $2,000,000.
My personal preferences would be for the Mercedes McClaren, and the Koenigsegg CCX (last photo). How about you?