seeking sites generating $5,000+ per month

A client of mine is ready to invest in websites and domains and is interested in purchasing websites that have been generating at least $5,000 a month for the past 6 months. The money can be from anything from membership sales, adsense, ypn etc but he does not wish to be involved in anything that requires an actual product to be shipped. Adult websites are welcome and gambling sites are fine as long as they don't require players or income from CPA affiliates. Only gambling websites generating income through ads/text link sales will be considered for purchase. Please PM as much information as possible such as the url, traffic details, revenue details, and how much time is spent per day on the site itself. Screenshots aren't required until he has expressed interest in the website, all transactions will be completed through escrow to insure both parties are protected. He has a budget of $xxx,xxx but would like to diversify with several websites instead of 1 big one but he is more than willing to consider a single site if it has a stable and large revenue.