ConsumerSearch.com: Elliptical Trainers: The site identifies which products reviewers like and dislike, where they agree or disagree, and why.Epinions: Elliptical Trainers: Consumer-generated reviews, buying tips and advice, ratings, price information, and searchable in a variety of ways from price to product type.Selecting and Effectively Using an Elliptical Trainer: American College of Sports Medicine's guide to purchasing and using an elliptical trainer. [PDF Format].