The following list is a recommendation of URLs you might want to visit.

Agilent Technologies
Agris Schoen Vision Systems
Dani's World
David Muench Photography Inc.
Fatali Gallery
James Kay Photography
Global Message Exchange
HP
derReisetipp.de: Reiseberichte im Netz (German only)
travel-links.info - Travelogues and more
Subtechnique