When looking at homes in Houston, especially during summer months, buyers will often look at a fireplace and say "like we need that in Houston!" It is only February and our fireplace has already gotten a lot of use. It may not be the most efficient way to warm up a room but it certianly makes me "feel" warmer just looking at it. There is nothing that says cozy cold evening in than a nice fire.
If you have a fireplace and it is looking a bit sad and dated, here are some ideas that might work for you or at least warm up some creative ideas of your own.
http://www.houselogic.com/home-advice/fireplaces-chimneys/before-and-after-fireplace-makeovers/