Decision?
Thanks for the input, everybody! I really appreciate it. I think on this one I am going with a falling collar. Although, like ashamanja_babu, I think the standing collar is more "Laura Ingalls" and I think I actually prefer the standing collar, I'm pretty sure that almost every single bustle day dress I'll be making in the future (and I have fabric for at least 2 in the stash!) will have a standing collar, plus most day dresses from 1866-1912. This may be my only chance for a bustle dress with a falling collar, so I'm going to take it!