“DreamWorks’ big-budget bet, ‘Monsters vs. Aliens,’ has faced one hurdle after another — including a whipping from the blogosphere over its extravagant Superbowl ad in January. But now comes the worst news yet: Fewer than half of the theaters that were supposed to be ready for digital 3D projection will be ready by the movie’s release on March 27. … [T]he economic recession has further delayed the already-long-delayed conversion of movie theaters to digital projection.”