JGoodies-looks is available from source...dependency should be changed.
jabref-1.6 doesnt depend on jgoodies-looks-bin: RDEPEND=">=virtual/jre-1.4 >=dev-java/antlr-2.7.3 =dev-java/jgoodies-looks-1.2* it's the same for the 1.5 version
omg! i simply didnt commited my changes, i'd prepared anything, including the changelog: 06 Jan 2005; Jan Brinkmann <luckyduck@gentoo.org> jabref-1.5.ebuild, jabref-1.6.ebuild: Jabref now uses jgoodies-looks instead of jgoodies-looks-bin. sorry, fixed now