Wishlist and OptimizePress allow you to set-up a membership site without the hassle of customizing it too much and it allows you to easily create all the necessary pages for your membership site.
You can create your membership site’s pages such as: log-in pages, error pages, members and non-members menus, confirmation pages, affiliate resources, members area etc. and choose the right template for your page you create within every post and page.
New Update 7/30/13
OptimizePress 2.0 will be released tomorrow – July 31, 2013 and it just rocks!
You can view all the details about the new version in the below link: