Registry

Does anyone have an idea of how many items should be on a registry? I had about 50, ranging from $2 to $200 (car seat) and my sister said it was the most boring registry she had ever seen. Well, I'm up to 70 items now, but I can't possibly see how I could add any more than that. Curious as to how many items other moms have on theirs. I'll be a FTM.