Making the unity .exe run in a chromless winow

So I’ve been doing some hunting here, on UnityAnswers and on google but I’ve found nothing other than the disscussion here http://forum.unity3d.com/viewtopic.php?t=11541&highlight=window+properties which didn’t really give me an answer. So what I need to know is there any way to make the game run in a chromeless window and/or do we have access to the hwnd before CreateWindow is called?

Run the .exe with the -popupwindow argument.
http://unity3d.com/support/documentation/Manual/Command%20Line%20Arguments.html