Hmmmm, in no particular order
Closed-top,
Porsche 911-GT1 98 (not a fan of the original but loved the 98 version)
Toyota GT-ONE
Prodrive Ferrari 550
Merc CLK-GTR (original varient)
Bently EXP speed 8 (either..
)
Open top
Audi R8 (especially in Gulf colours or 'Croc' varient)
Caddy LMP02
BMW V12 LM
Oreca Dallara
Lola B98/10
Courage C60
But there are so many good looking cars, makes it very hard..
(might mention i'm, 21 today. Yippie, got the money to go to LM this year
)