This <a href='http://www.indigostar.com/microweb.htm' >tool</a> could save your demos. It is a mobile server you can mound in a CD. The server runs from CD with support of Perl 5.6.1, PHP 4.2.3 and MySQL 3.23.55. So if you have a web site with databases, now you can show it from CD to everybody with no mount problems configuration stuff.