Training light does suck. I hate it. I love 6-8 rep training and it's what my system prefers for growth. If you use the 3-0-3 tempo, ya won't go super heavy but still use good weights, give your joints a rest and really works well for hypertrophy.
When I see guys doing that fast tempo cheat shit, I think of the stone ages are how much better they could be if they gave it a shot. (NOt that I think it's the best for everyone, but think there is a HUGE merit to trying it.)
Positive/helpful post of the day over.