Epinions: Personal Scales - Consumer-generated reviews, buying tips and advice, ratings, price information, and searchable in a variety of ways from price to product type. - http://www.epinions.com/well-Supplies-Home_Diagnostics-Scales-All-Scales
HowStuffWorks: Bathroom Scales - A fascinating look inside a bathroom scale. - http://www.howstuffworks.com/inside-scale.htm