>>In addition - upload these files to the Internet somewhere, so you will be able to download them if everything else fails.
>
>Its not always that simple. In Orlando, someone actually stole the computer I was gonna do my session on (it was a conference computer) and when I went to download my slides and stuff some tech walked in and told me the internet was down. Doh!

Well, one reliable solution may be to tattoo your presentation and sample code, but then again, don't swim in the ocean where the sharks are! :)