Anyone else pick up the 4th level of the dream? After the snowy place, they went to limbo, which they weren't planning to do. The city was the first level, the Hotel the second, the mountain the third. Now at this point the dream should have been incredibly unstable, which it wasn't, besides Fischer's mind trying to kill them (anyone else pick up on the gray polarized Splices?). Then, when the dude and whats-her-face go to Limbo to find the Asian man, they go into the dude's (Leo?) memories, or the fourth level. Shouldn't that have been incredibly unstable, and more shit should have happened?