here's some more.
http://www.mkippen.com/images/forvortex/vwdonuts.jpg
http://www.mkippen.com/gallery/carshoots//vorsche/small//pic1041copy_small.jpg
http://www.mkippen.com/gallery/carshoots/vorsche/big/pic1039copy.jpg
Wanting to clear my confusion a bit. ECU controls the ignition, rev limit, transient fueling etc. So a better ECU allow more space for a greater mods like horsepower, torque?