One of my team mates here in America had N/A 3000GT and while it wasn't as awesome as a Twin Turbo, it was amazing to cruise in. It does catch you attention and with a body kit (my buddy had a full Bomex kit) it was very eye catching.
One of my neighbors had a Yellow 3000GT VR-4 with some upgrades and it was amazing to take a ride in it. Very quick for a heavy car.
One of my team mates in Japan had one that was built. One the freeway, it was a beast and with all the upgrades it was powerful and quick. Made me fall in love with it!