Sadly, FBW newbies haven't had the good luck to fly aircraft that require basic power, attitude equals performance.
If it's all gone wrong this will still keep you out of trouble, or reduce your risk of getting into more of it IMHO.
Auto thrust with non moving levers is not the best idea. I've flown AC with both and dislike them [non movers], especially on rough old night into a nastey island with a big 'hill' next to the runwayand your speed trend arrow doing the hokey kokey!!!!!