See this link for a video of Macbook Pros being used at high altitude on Mount Everest. Although this was mentioned before on MR by Macbytes I don't think there was a youtube link. http://www.youtube.com/watch?v=01g4ugvMCIY They are using several MBPs with SSD drives for greater reliability and editing their video dispatches using Final Cut Pro. Nice video! EDIT: For those who found this interesting, here is more on the MBP from the team: http://www.youtube.com/watch?v=c-NeSzIRpTY&feature=channel_page check out all the tasty gear!