Buying a First Sewing Machine: Q&A from a discussion list on About.com about what to look for when buying a first sewing machine.
ConsumerSearch.com: Sewing Machines Product Reviews and Reports: Identifies which products reviewers like and dislike, where they agree or disagree, and why.
Purchasing a Sewing Machine: Postings from Quiltnet (date unknown) about the actual process of talking to a sales person in a store.