Both of the following sites are easy to use and maintain. Unfortunately I don't have any stats for either site.
Script Index Site With a Great Pair of Domains scripti.com and scripti.net pair including site. Domains are catchy, short and memorable. Both registered at namecheap with over 11 months left each.
See site here: http://www.scripti.com Price: $150
Developed Dating Site - http://www.Date-Zone.org
This dating site allows for free signups to use the site such as finding a match and messaging and can vote on their favorite people, plus rate other users. For advanced features, users can upgrade their account on a subscription bases handled through PayPal. Advanced user accounts get features the free account does not provide, such as access to the whose online instant chat system, create a buddy list of their favorite member, block members they do not want contact from and use the instant messenger.
Admin panel features:
Users: here you can view all registered and unregistered users. This is where you will upgrade, downgrade, accept and delete new members
IP protection: here you can view blocked IP and add/delete IP
Maintenance : here you can delete old pics, info from the database plus purge unvalidated signups.
Newsletter : here you can send newsletter to all your registered members
Site Configuration : here you can modify basic information about your website from setting up the database, email, PayPal and copyright information
Site Banners : here you can upload banners to your site that will display in random order on your site. You can promote other sites or sell advertising space.
Domain is at namecheap with over 11 months left. Price: $40.00 by Paypal