also on a side note i have been a tour guide for a European walking tour company that works on the same premise. We give you the tour and you pay what you want. It actually guaranties a better tour, cause apposed to me getting paid up front and not giving a dam. I get to work my ass off in hopes that people are blown away and give me tones of money.
check it out at www.neweuropetours.eu

this also creates a whole different level to the whine tasting experience because you never factor in the cost of the wine.
p.s. this article is wrecking the secret. the more people that know about this the more people i see their taking advantage of it.