Just wanted to let people know that AC Pay at this point does NOT offer posting back of any data except for username/password. So if you are using anything other than the traditional .htpasswd/.htaccess setup keep in mind that its not possible with AC Pay right now.
Rory
edited : When i reread it came off more negative towards ac pay then I intended. AC Pay is great and the setup and everything went very smooth, just easy to get frustrated this close to the end of a project. I didnt intend to slam AC Pay in anyway, just wanted to give people a heads up.