If you want to try for an extra thrill for the lats, than do wide grip SLDL's or regular DL. All the way out touching the collars. That is, if you arm span is long enough. At least go the widest you can. Also try DL's holding, with a pinch grip, the 45's rather than gripping the bar at the collars. Ever version gives a much better stretch and influence on the lat's. Also very much so for the traps and inner traps & back. Good Luck.