Hollywood has a long tradition of abandoning really good movies to the marketplace while promoting crap like A Night at the Museum (which has been #1 at the box office for a few weeks). It seems
Children of Men, which is easily one of the best films of the year,
is suffering the same fate. To be fair, a grim movie about the end of the world isn't quite the box office draw with the wide appeal of Ben Stiller/dinosaur hijinks, but the point still stands.
And if you're interested in how they pulled off the insanely cool "one-take" seamless special effects in Children of Men,
check this out.