What would be the best way to handle a Conference registration form (for instance)? In the past for forms, I have added a few custom columns to ecart to pass optional fields the user could enter. But, I am starting to be asked to do more complicated forms with numerous fields and I am trying to grasp the best approach for a site that may have numerous forms on an ongoing basis. It doesn't seem the most efficient to add a custom ecart column for every field on a form...but I am not sure how else to carry this information through the checkout process. I don't know if this is best handled by ecart columns, or somet other method. Does anyone have insight or experience on dealing with this type of situation?