This is an updated version the pgf package. It depends on tetex3 and installs in the local texmf tree (/usr/share/texmf-site/) to prevent interfering with the texmf tree of tetex ebuilds.
*latex-beamer-3.07 (19 Jun 2007) 19 Jun 2007; Lars Weiler <pylon@gentoo.org> +latex-beamer-3.07.ebuild: Version bump and installation change for tetex-3.