Well - the thing is so big that they might as well have included the card reader with the drive in the first place. I mean, what's the point if the card reader is just as big as the iPod, and if the card reader needs extra batteries on top of that? Somehow not as great as it sounded. And the problems with the transfer didn't inspire confidence either - since when do you have to reformat a CF card if you deleted it while reading? Very dubious.
At iPoding there's the original article.