I would have given this a 5-star review but there was very little documentation on the support forum to resolve the tab ordering issue with this plugin in CB. If you are having the issue a lot of people were having with RocketTheme templates where the ReCaptcha plugin is sticking to the top of your page you need to edit your joomlacore.css file. Search for this ID #recaptcha_widget_div. If you comment that CSS ID out it will fix your issue. Other than that this is a good extension.
If you search in the support forum you will find several threads talking about the tab ordering. This problem is all about your configuration and your CSS properties. Obviously I can't control these aspects of your website. So, it is not an issue of my plugin at all.