My fiance and I are in a bit of a friendly debate. He wants to have open seating and let guests sit wherever they want to- with the exception of having a few tables reserved for immediate family. I've heard that it's best to at least assign people to tables so that things run more organized and timely.What do you guys think? Are there any of you married ladies here that have experiences with either? We'll have around 150 guests with an evening ballroom reception (semi formal). What are all of your thoughts??Thanks!