I would describe the Goodes as much quicker accross the course, easier edge change and have a much larger sweet spot. My 9900 did not turn quicker, smaller, etc than my A1. The A1 turned better. But with the 9900, if I got out of position, I would not get penalized as bad. On the A1, D3 or FI, if I got too forward or too back, I'm done. With the Goode, it won't work as well but I will continue skiing and have a opportunity to make it up.
The more I get on the front on the Goode, the better it turns. Where many other skis will break my body position or stop if I got on the front too much. The Goodes just keep going and keep the speed. Again, large sweet spot.
I don't think they do anything that is crazy, they just work.
Going to the Nano from the 9900, there was a dramatic increase in speed, to the point it was penalizing me. But the ski turned better than my 9900. So the Nano was faster and turned better. With the mini ventral, the ski slowed down to a 9900 speed, but turned even better.
And finally, I can give countless examples of skiers who have signficant issues with form yet gobble up bouys like nobody's business on the Goode. Maybe thats why we have so many Goode haters.....I agree its irritating.