This maybe nothing but nec germany has posted something about 2510a and what nero to use interestingly enough its says to use nero 126.96.36.199 or later not .15, now this could be typo on necs part but maybe not, still could be something to look into, that is if nero releases .16 very soon.
PS it would seem from reading some other posts that real 2510a comes with nero beta software called 188.8.131.52b
DvD Burner ND-Series - drivers needed?
Where can I download current drivers for my device?
The NEC DvD+R/+RW drives are ATAPI-devices, there is no need for
special drivers when using operating systems like Linux, MacOS or
Windows 9x/ME/NT/2000 and XP, because the drivers are already
If a DvD burningsoftware does not recognize the Drive as a
CD/ DvD-Burner, all you need to do is to update this software,
you can also contact manufacturer of burning-software for updates.
ND-1000A, ND-1100A and ND-1300A drives will work with version of
NERO Burning Rom 184.108.40.206 and newer.
ND-2500A and OEM`s (ND-2100A, ND-5100A, ND-5500A) needs
at least Nero version 220.127.116.11 and newer.
Dual layer ND-2510A and OEM`s (ND-2110A) needs at least Nero
version 18.104.22.168 and newer.