I've been running Netscape on NetBSD 1.0 and XFree86 3.1 without
problems on a #9GEX64 Pro.  It does seem to really exercise the font
handling of your X server, so it's quite conceivable that if there's a
problem there Netscape will find it.

-- 
Dave Cornejo                                There is nothing so subtle
Dogwood Media                                           as the obvious
Fremont, California