Do you need the same interior door style throughout the house (ie ALL 6-panel, 4-panel, 2-panel, arched/no arch, etc.)? We are building a 2-story and will have several different woods throughout and are considering doing 2-panel arched doors on the knotty alder doors in the walkout LL and the enamel doors in the upper-level and master, but doing 4-panel doors on the main-level (in a stained maple). Do you think it will look like a mistake if they are not all the same or will anyone even notice? Also, I haven't seen many 4-panel doors lately - most appear to be 2-panel arch or 6-panel. Are they completely out of style now or am I just not finding them? Thanks for your input!!! All these decisions are overwhelming!