Any bugs if not fixed by bethesda will more than likely have been fixed by the strange people of nexus mods, who have not only released bug patches but will also happily (and I'm not even slightly joking) add 'realistic' breast physics, pubic hair and god knows what else.
Be careful what you wish for
http://oblivion.nexusmods.com/
Be careful what you wish for
http://oblivion.nexusmods.com/