Feature rich and flexible

After researching several form plugins I settled on Visual Form Builder Pro for its flexibility, ease of use and export features. I was pleased with my choice.
I use VFB Pro for a simple contact us form, a survey questionnaire, a registration form and an involved order form with the PayPal payment Add-on.
The more I dig into VFB Pro the more I realise what can be done. Their live demo area is handy to explore the add-on features before purchasing and they are really helpful on their support desk.
How could they make it better? Sharing examples of how their form can be used would provide ideas for making the most of all its features.
I have not purchased many plugins and consider VFB Pro as a very worthwhile investment. Thanks guys.