Via csmonitor.com. Bottom line? "Movies through the mail are here to stay, at least until the next paradigm shift - films streamed over the Internet, perhaps. Until then, Netflix and Blockbuster Online are so similar in price and delivery time that you can't go wrong with either."
The online article includes a reader poll in which respondents overwhelmingly vote for Netflix, 63.4% to 5.4% for Blockbuster. Add your vote to the mix.