640x480

640 x 480 stage. 

Viewable online here - http://s000.tinyupload.com/index.php?file_id=09248852001503554335

This is an enhancement / option.  I don't expect it'll get merged as such, but I wanted to let others know that it can be done.  Perhaps if someone wanted to put in a menu item to select it.
note: scrollbars are 12 pixels instead of 9.