We've been experimenting with a bunch of different pricing structures, and watching carefully what converts.

Some of what we've found goes against conventional wisdom, but it works, at least for us. In some cases MUCH better than other pricing structures we've tried.

We've talked about it a lot, watch it pretty closely, and what we're surmising is that the landscape is changing... I think the growing presence of VOD, combined with increasing competition is perhaps creating more sophisticated buyers. What we're seeing is that the psychology of pricing plays very heavily into the sale amount at which the sale actually converts.

Not enough data to say anything definitive, and I'm also not at all sure that our experience will generalize to any other site... but we are finding some very interesting things, at least with the traffic hitting our sites.