From time to time I realize I need to add a dimension after I have placed a few already or that I have forgotten one. So, I have to place it and then move the already placed dimension out of the way. I think it might be cool to have a "dimension bump" option that would automatically bump the placed dimension into position with the one you're trying to place. I know "arrange dimensions" kind of does this but it works after that fact and you have to select all of the dimensions (very clicky). This bump option could be something done on the fly. Just a thought. Thanks!