I've had some low back issues in the past, but this exercise takes that out of the equation via the chest support pad. It's a safer way to work through the entire range of motion.
Adding bands provides continuous tension which increases the intensity in the contracted position. Give it a shot!
Unfortunately, your old "what do ya wanna work today?" spur of the moment type training works a whole lot better than anything the Soviet Ministry Of Sport managed to cook up behind the Iron Curtain back in the 50's and 60's. Charles Staley explains why.