blendle.com, which I mentioned earlier in this thread, has this instant-refund feature. I've used it a few times when an article was disappointing, or when ther

blendle.com, which I mentioned earlier in this thread, has this instant-refund feature. I've used it a few times when an article was disappointing, or when there were technical problems (digitized article cut off the second half of the print version). Seems to work for them, though I don't know their revenue/profit numbers.