Optimize Press 2 which is an awesome way to create all the various types of pages found in your web business has a couple cool ways to make registration pages!
Easy Webinar is an awesome way to do events and webinars both live and automated.
The two have come together to where you can create super cool dynamic registration pages with optimize press 2 and then use EWP’s registration widget box to register someone to a future webinar!
Come on through to EWP to learn more. http://www.easywebinarplugin.com