Check out this story from WIRED Magazine. This video came from their website (http://www.wired.com) and it is about the "Wilhelm scream" which has been used in several movies since it was recorded mostly as a joke in the film industry. It shows clips of several movies in which the scream was used. You can read the whole story at:
GS won't let me imbed the video apparently so here is the link to the video:
this is a funny video i found on youtube from Flight of the Conchords...watch it.
"Imagine that hypothetical situations triggered pessimism. I'm not even going to finish this joke because no one will like it anyway."
Check out these screen comparisons of Halo 2 on xbox and Windows Vista.
I'm not a huge fan of vista, but either way the graphics shown here are definately impressive compared to the xbox version.