I like open fires as they are untamed and have character about them that "living flame" gas fires can never match; they are really a bit like smoking a pipe, since you're forever fiddling with them, adjusting the logs and vent etc. For me they are a plus, but I cannot speak for others. Many people think uPVC is the best thing since sliced bread, but I think it's ugly and heartless, but I seem to be in a minority. I've never had problems with smoke blowing back or a good draw, I guess that depends the height and situation of your chimney. As for draughts, if you get a wood stove or inset firebox, both of these have vents which allow more economical burning and importantly control of draughts when the fire is out of action.
Andy.