Verbatim DVD blank discs

[Adders]

Hi
As anyone had any problem with Verbatim dvd+rs

I have made loads of successful dvds using infinity DVD+r discs,
just recently a bought 20 verbatim DVD+r discs and keep getting coasters. I then tried another infinity disc and this worked fine.
I have a sony DRU 120A DVD+RW/+R and I use Nero 5.5.10.

This seems rules out any hardware or software problem and points to the Verbatim dvd+rs discs.

As anybody else had the same problems.
Are verbatim discs compatible with this drive.

Cheers
Adders