This is neat - a 300 HP supercharged, superlightweight car. Uses a Honda motor. 0-60 in 2.9 seconds. Even smoked a performance motorcycle on a road course. Priced around 45k.

http://www.arielmotor.co.uk/04/frames.htm

And the video. Huge filesize but worth a look:

http://www.openwheelers.com.au/videos/Top_Gear_Ariel_Atom_2_Full_segment.mpg