If this is really important to you, you might take a look at GNU-TeXMacs. This is (close to) WYSIWYG. The downside is that I'm not clear that you have access to all the myriad latex packages you can use with Lyx - at least not without some hacking.
------------------------ Philip A. Viton City Planning, Ohio State University 190 W. 17th Ave,Columbus OH 43210 [EMAIL PROTECTED]