"The view was expansive, but not exactly impressive and as we moved through the landscape, grass, rocks and shrubs were popping in to view, breaking some of the immersion. This was on the Xbox 360 version, so we’re hoping that the PC version won’t suffer such LODing issues."
^Immersion^

http://www.bit-tech.net/gaming/2011/10/19/elder-scrolls-v-skyrim-preview/1