I have an addictive habit that has decreased the change in my pockets by a little, but increased my DVD collection by leaps and bounds. On Fridays or Saturdays—or any days, really—when a friend and I are in one of those 'we-wanna-stay-in-and-watch-a-flick' moods, instead of heading to Blockbuster, we've taken to heading to Wal-Mart and picking up a $4.98 DVD out of their big bargain bins. Sure, sometimes there's nothing there and you just have to delight in the thrill of the chase. But sometimes you find a hidden gem, like the copy of the Rocky Horror Picture Show I scored a little while back. The iTunes store wants to bring that same fun to their new "This Week's Great Movies Under $5" section...