Prices, yes, the older ones are staying very strong, people that bought 1-2 years ago have lost £0.
Gearboxes, yes, some of the earlier models had issues and Nissan replaced them. However if you own one of these cars and the gearbox has a problem, fixing it is a hell-of-a-lot cheaper than replacing the whole thing. I think Nissan replaced them so that they could get the whole units back for testing.
The GTR is the most expensive car I have ever bought, by far, previous was a £9k Impreza....... over 3 years of ownership now and