I was doing some 43 research today through Yahoo!; mostly seeing who was linked to this site through their Site Explorer. I found the most incredible page, idea, art.
One Thousand Paintings is operated by artist Sala who has put up for sale 1000 paintings of 1000 numbers. White background, blue number. And they are selling like hotcakes. The price of the painting is calculated by the following equation: Value = 1000 - number. The discount will decrease by an absolute 10% for every 100 paintings sold, which right now is 40%.
43 was already sold. Damn.