My gf and I have been on the road for 8 months and after a few nights of stiff necks we think we've found the ideal travel pillow! We've tried out two brands, the Cocoon Travel Pillow and the Exped Air Pillow. Check out the results here:
http://epicureancyclist.com/?p=1060
Best,
Russ
www.epicureancyclist.com
www.pathlesspedaled.com