^ agreed
with a modified r34gtr, you've essentially reached the limit of mechanical stimulation available to anyone with a budget sub 100k.
if youre car is stock, throwing a little money at it, at the right things should re-ignite any lost infatuation.
but in the long run it may only leave you wanting more, and the point may come when you ask yourself if the money spent on mods along with the value of your r34, would be enough to get that r35 or new m3?
personally, id spend a little on mods for the gtr to bring back the spark and drive a cheap daily most of the time, then just like any junkie youll be itching for that gtr hit, which you can treat yourself to on any weekend.
cheers