Dome,
The Se7en (Platinum Series) you have is pretty much a Digipack. Except for TV shows, like Buffy, you unfold it a few more times to reveal more disks, so TV show Digipacks are thicker then digipacks for films.
Come to think of it, I also had trouble with my Fight Club disks falling out...
My only problem with this set is these stupid Digipacks - of course when I got home and opened the set up I found that the first disk had already fallen off its holder and was extremely scratched, so now I get to make another trip back to BB tomorrow. (But I did swipe the coupon for $3 off the...