Here is what I've noticed. Stock Vs Stock with equal riders, the 1000 will beat a busa in the 1/4 mile
If you optimize the gearing, the busa will win in the 1/4 mile. The busa has more torque and more HP, and more weight to keep the front end down.
top end? the busa will win
The 1000 is a sick bike, and yes, in many instances, will take a busa to about 160mph
Mike