thats the trick though isn't it, making a daily driver that has great power/acceleration but still drives well enough to take to work or the local shop.
as for a stock GTR being faster than a gts-t with 15k of mods, highly doubt that
i dunno why people get uptight about how much money others spend on their cars, its their choice and as long as they're having fun and not getting ripped off then who cares
you gotta have your toys otherwise what the point of working all day everyday?
better than pissing it up the wall or shooting it up your vein