Yes, they're expensive (Over a $100 a roll).
Yes, they have oddly wonderful names (Rolling Plumes, Warm Olives Anyone?)
BUT they are also an awesome way to liven up a room or even just a single wall! If you're too shy about using bold wallpapers, try a less permanent approach...frame and hang multiple frames of the stuff on your wall.
If nothing else, just browse through the inspiring gallery pages of