The surest way to protect your notebook PC while traveling is to keep it with you at all times. But bulky laptop bags can be a heavy load.
No one has thought harder, longer, and smarter about how to pack a carry-on bag than Doug Dyment, public speaker and author of the essential onebag.com.
"The best way to keep your laptop with you is to bring a Lapstrap (thelapstrap.com, $20), a padded nylon band that you lay across your open laptop at the hinge. Close the laptop and carry it over your shoulder."