I dunno, I've always preferred Nakaya's footwork :Here's one of my all time favorite videos of Gan-San running the NSX Type R at the Nordschleife. An example of Heel-toe mastery. And note the sound and noticeable rumbling when he drives over the curbs.
You try to do that in GT and it'll throw you into neutral.
Also note: power-shifting. Can't do that in GT...