The power-to weight of the GTBO is 0.51 kg per horsepower
Koenigsegg CCXR - 1.16 kg per horsepower
Pagani Zonda F - 2.07 kg per horsepower
Bugatti Veyron - 1.89 kg per horsepower
This thing sounds fast! Its a little pricey though.
-S
http://www.acabion.com/