Just so the knowledge is out there. I recommended to a client that they downgrade to Quicktime 7.3 using Pacifist software. They unfortunately confused Tiger version with the Leopard version of the quicktime update. Without Pacifist, the normal installer won't allow this. The result is FUBAR. A system that won't boot. I tried monkeying it for a couple hours, but it's going to Tekserve on Monday instead.