In case you don't already know iRex are asking for developers to help develop a full-screen mode version of iPDF that it appears will become the official version. they have some specifications that prohibit the current community version being used, I've mocked up what I think would be a possible solution to the issues at
http://forum.irexnet.com/viewtopic.php?p=7706#7706
and would love to see some feedback/constructive-criticism from people about my idea.