You should stick with just Nero - burning programs don't like to be in competition with each other...:-)
I use Nero Reloaded and have had all the various versions up to this point from Nero5 onwards - it's fully geared up for DVDs.
I've found it far more straightforward to use as well than a friend's EasyCreater based system, although this may be due to familiarity.
Check out the latest features at:
including the fact that the new Nero Update now supports LightScribe and Dual-Layer for DVD-R.