Lamborghini has progressively made more reliable vehicles. That said, if you compared a 2004 Lambo to a 2004 Ferrari, I wouldnt consider reliability as a factor. But 92 vs 2000. Well, I think Ferrari has a big edge on reliability because of the year and manufacture quality.

Also I wouldn't rely on a salesperson or dealer usually because they probably have 0-1 Diablos in stock and ~12 360s?? They would prefer you buy one of their 360s.

Here is my opinion:
If I have to choose a car to drive for the day, the Diablo. This would be an easy question. It is very raw and exciting.

If I had to pick a car to put in my garage so I would smile every time I walk in, the Diablo.

If it was a car that I would drive to work, take it to lunch, maybe a little shopping, weekend getaways, dont mind letting others drive, the 360.

Reliability and drivability will be better in the 360. But the Diablo is simply more exciting. If you know you are not going to be on a lot of miles, Diablo. If you plan to put on a lot of miles and use it daily, the 360 has many reasons.

Also, I prefer VT. Maybe not as fast as an earlier Diablo, but the driving experience is a little more interesting to me.