Mozilla 1.2.1 is out. The sources should hit the mirror within a few hours: <http://ftp.mozilla.org/pub/mozilla/releases/mozilla1.2.1/> None of the CVS patches should be required from the 1.2.ebuild. I believe the 1.2beta.ebuild could be quickly hacked for this.
martin i can work this you like give me a bit to get it compiled i only have a celeron 366
Source files have been posted to mozilla.org: <http://ftp.mozilla.org/pub/mozilla/releases/mozilla1.2.1/src/mozilla-source-1.2.1.tar.bz2>
Added to CVS.