Swan, I am going to have to disagree with you here. From experience, the majority of individuals in gyms today overtrain. This is why you see people in gyms lifting for years with very little change in their physiques; that and they leave their fitness worries at the door and don't eat correctly at home.
I am a big fan for the more experienced lifter to train 2 days in a row. The third day should always be used for rest, not light weight training. Let your CNS rest. And again, this is for the more experienced lifter, not a young individual with a young training age.