http://www.winehq.org/?announce=latest The ebuild for 0.9.27 seems to work for this release, too. Just copy to wine-0.9.28.ebuild
You are too slow :P *wine-0.9.28 (23 Dec 2006) 23 Dec 2006; Mike Frysinger <vapier@gentoo.org> +wine-0.9.28.ebuild: Version bump.
Don't worry, you won a free kitten nevertheless: http://img184.imageshack.us/img184/30/1166793651408rf8.jpg