Should I repaint my car?

I have a 1999.5 Pathfinder SE Limited Edition and engine runs well and I 
have been keeping my with regular scheduled maintaince.

It has 107,000 miles on it and I recently changed it's timing belt (at 
105,000).  I spoke to the mechanic that does my maintainance he said I can

get another 100,000 miles out of it easy the older models last forever.

Does it mean the newer PF are inferior in quality?

The problem with my car now is the paint.  Being in south Florida under
the 
blazing sun for many years the clear coat has partially disintegrated and
so 
now it has white patches all over, I don't see any corrosion.  Checked 
kbb.com and it values the car at 3500-5000 ball park.

Trying to decide if it's worth it to repaint the car now (have not gotten
a 
quote yet but I suspect around $2000 plus may be a week of car rental
while 
I wait for it to be done at say $50 a day).

Or just live with the paint problem and drive the car for as long as I
can? 
The paint problem will get worse and worse until it becomes unbearable I 
think.  What if I repaint it and then the transmission breaks!

The paint problem is on the hood and on the roof, but I don't think a 
partial paint is practical if more than 30% of the surface needs to be 
painted.

Opinions?

MC