Pretty bullet proof, however there are the characteristic issues which do crop up.
FSH from NHPC or specialist Indy is critical as are the annual optimizations.
Also power uprades, and transmission software upgrades are popular.
I would not be to concerned about the mileage providing the above is in order,
Here is a well sorted car which is up for sale; http://www.350z-uk.c...tion-stage-425/