I love low rows for back thickness...move huge amount of weight and gets the ego lifted. Follow up with pullups or pulldowns for width. For shoulders I just get into militaries...nothing like some good shoulder pain to get you pumped. Finish off with upright rows and shrugs. Once again...huge weight with shrugs gets the ego fully inflated. My shoulders hate me for two days after that and there's no way I can look over my shoulder to see if there's an enemy back there...hurts less to just take the in the back.
These are nothing new...just always loved good compound movements and the resulting pain. Oh yeah...don't forget the deadlifts...lower back needs love too.