Also, for as long as I can remember (e.g. since 1.2.x) it is possible to go to Edit->Preferences, File formats, select LaTeX and then set the Viewer to your favorite text viewer (I use gedit under Linux, under windows notepad would probably suffice). Then click modify and save.
Also, the reason for a new view-source dialog (other than a view->latex menu item that uses an external text viewer) is that the dialog can show the underlying source code instantly, while you are typing. Bo
