the thing about the half squat, wich definitely looks better than the other two exercises, and its more kind to me couse i have done it before, is that you never know when is deep enough.
i though i was reach a plateau in my front squat thats why i start asking about other exercise, but today i did a new
120 kgs x 3 (going deeper than harry aa video) wich is not much but a big deal for me hehe so ill keep trying to improve there.
About that bodybuilder video, Dude! thats pretty descent for a guy of his size!