On the Web - DubiaRoaches.com gives some informative points of comparison between roaches and crickets relative to raising them and using them as feeders for pet reptiles.
Dubias vs. Crickets
Jun 15, 2012
by Contributing Editor
Geckos Unlimited - A chart comparing nutritional data of feeders, along with some good information on the differences between feeders and breeding Blaptica dubia roaches.@ Geckos Unlimited