Here's some great ideas for putting the "living" back in living rooms.
Let's be honest about it. That big room isn't the living room at all. Unless you have a great many rooms, that is a ghastly waste of space. The living room should be lived in.
Make every room a living room.
The living room should be a place where we feel totally at ease - temple of the soul.
When you arrange your living room furniture, think less of symmetry and more of comfort.