imagine working in the schmidt test dept...
But for the purest engine experience, displacement has no replacement. All other methods are simply attempts to artificially recreate the benefits of displacement.
I have to say though.. what is the point? my cars have always had alloys and i have never once buckled one or just happend to drop them off a roof. or drive without a tyre on the rim come to think of it
... it's turned into a fashion show for poofters.