I did this recently on another biplane with heavy tail material and saved 1 1/2 ounces at the tail. Since the tail is so long compared to the nose I figured the nose would need to be 6 ounces lighter to balance the tail weight saving. That's almost 1/2-pound from an 8-pound airplane. It allowed my Jungmeister to balance without nose ballast. Anyone would notice that much difference in performance so yes, it's well worth it. I'd just make sure the holes aren't too close to the joiner wire or control horn(s).