Hello Turk, I believe the reason why QSC has attained some of it's popularity is that the PLX series is very light weight consdering their power ratings.I believe that the lowest wattage PLX up to the highest wattage PLX are the same weight.This would make a big difference lugging your rig by yourself. However, the reliability factor I'm not sure about. Track down some amp repairman and ask them what they see the most of come into their shop. That could also help you in your decision, but I'm still going to push the Crown's, especially the Macro series they are to me hands down the best production amps that money can buy. It's like this, when you've got an Alembic you've got an Alembic,when you've got a Crown.......Hey, you won't be wondering or worrying anymore. Unless you didn't get one with enough power.