We do not currently do custom work or consulting. So while we can't give you a quote for creating this functionality, you can certainly either develop it yourself as an Add-On or hire a WordPress developer with Gravity Forms customization experience to develop it for you.
It would make a good Add-On. There are plenty of 3rd party Add-Ons out there so there is nothing stopping any developer who knows what they are doing from creating their own Add-On for Gravity Forms.
Here are other examples of 3rd party Add-Ons that developers have created for Gravity Forms:
Posted 3 years ago on Thursday December 22, 2011 | Permalink