Best Sofa Styles to Impress Your Guests A sofa is considered as the heart of any living room. It is the first thing your guests look at and leaves an everlasting impression on them. we use the term soda very loosely and define it by something that is upholstered, has arms, a back and can sometimes be converted into a bed if you are looking for a way to impress your guests, its time to upgrade your old fashioned sofa set. A sofa set is the only thing that decides the reputation of any room inside your house.