yes, of course, we are using EAServer not only for internal use, also giving solutions using EAServer.
Probably, you can visit www.ewaksoft.com, we have simple migration mechanism to migrate pb applications to web. In fact you can assess the effort required before even sending the source code to the company. We have a tool to assess the existing pb code to give the estimation report http://www.ewaksoft.com/html/codeanalyser.html
to understand the business model
Thanks & Regards,