Price comparison site U-Switch is to add drug-dealers to the services that consumers can compare. It already enables users of it's site to compare the prices of gas, electricity, telephone and broadband. Now it will enable a different sort of user to get the best possible deal.

To use the site, users have to answer a few basic questions such as their postcode (if they have one), current supplier, typical daily usage, desired effects and preferred method of payment.

The site will then find the best dealers in their area ranked by price and customer service.

U-Switch spokesperson Deborah Cross said "Drug users are paying way above the market value in some cases, and often receiving a very poor quality product. This service enables users to compare the market to make sure they're not getting ripped off".

Crack addict Alan welcomed the new service, saying "If I hadn't sold my PC, and my parents', and my ex-girlfriend's, and all the ones I've nicked over the years, I'd definitely use the service."

The company also plans to add a brothel comparison service later in the year.