Read this: Secret film embarrases Currys and Comet - January - 2011 - Which? News

Summary: If you're not a member, subscribe to Which magazine now to try three issues for just 3. Comet and Currys did badly Not one visit to electrical giants Comet and Currys could be rated as excellent, so we went on follow-up visits with secret cameras to investigate further. There was also evidence in our visits of hard sell tactics - staff steered us towards buying cables we simply didnt need, or towards more expensive cables when cheaper ones would have been just as good. - which.co.uk