I've tried searching for the answer to this problem but couldn't find anything, so maybe my search criteria was just off.
The problem is that a simple Ext.Window without an explicit width renders the entire width of the page in IE with a goofy looking shadow, and sometimes chrome. I don't want to set a width directly on the window because I need to set the exact width of the window's body element... setting it on the window directly causes ~10px or so to be clipped because of the window's sides. The documentation says that the default width of the window is the browsers auto, so I'm not sure if I'm just missing a config option or what the deal is.
This problem can be seen with this simple example:
title: "dummy window",
html: "i am a window"