I've been using that joke for a week now -- ever since I started reporting my piece about kosher wines. (In fact, I tried to use it as the lede for the article.)
Middling results. But that's what you get when you tell a middling joke. (That's the kind of joke that's impossible to tell in writing. You'd kill it if you wrote out "whine"... and it's a little unfair to write "wine." And, also, I do the actual whine pretty well in person.)
But if anybody knows a wine joke out there, I'm game to hear it.