If you have not read already, Microsoft has officially announced that InfoPath is to be no more after the current release. You can find the blog post on the Office blog here:
One key thing to point out in the posting is that they said it will be supported with SharePoint 2013, but not future versions of SharePoint. This should be writing on the wall to start thinking about how to migrate your InfoPath forms solution to something else. The question is what. I have tried some other forms solutions out there for SharePoint, but they have a ways to go. I am a big fan of the SharePoint app model (Yes even now that I have left Microsoft) and I like the way Access 2013 builds apps for SharePoint. Maybe something along those lines for apps is the way to go. For now, all forms related projects have now become IT driven products and have shot up the TCO of SharePoint due to the extensive amount of professional development work required to support custom form development.
We should hopefully know more at SPC14 and even more throughout the year.