> > Anyone who's running XFree86 4.0... > are there any noticeable advantages of it over the 3.x version? >
no, Xfree 4.0 is sooo new it will only be buggy. Besides without proper packaging all of Debian's X based packages are not happy either. I work with several peopling coding on Xfree 4.0, I still run Xfree 3.x.