Never really gets cold enough for this where I am, but it looks like a great idea. Tabletop Fireplace: Perfect for a smaller house or apartment without room for a fireplace or even for a little potbelly stove.
The Tabletop Fireplace - Using recycled liquid ethanol fuel that gives off only water vapor and carbon dioxide, the clean-burning, portable fireplace yields a bright yellow, orange, and red flame that flickers without fumes.
A Mediterranean Personal Fireplace A very cool, well, HOT, Personal Fireplace with a real flame using an innovative gel fuel system; covered by a hurricane glass over a smooth ivory cast concrete base.
The Tabletop Fireplace - Hammacher Schlemmer
Nu-Flame Estro Table Top Ethanol Fireplace (NF-T2ESO)