Here are some things that I like the idea of more that the thing itself.
*coffee
*oysters
*caviar
*martinis
*champagne
*most alcohol, actually
*pot
*airplanes
*travel (possibly)
*inscense
*organized religion
*cigarettes
*Spaghettios
*Twinkies
*truffles (I've never had one, but I bet if I did, I'd like the idea more than the mushroom itself)
*snow
*corsetry
*formal wear