Shinza.com has announced the immediate availability of two new cases for the 15″ Titanium PowerBook. The TiBook Case (US$199) is a lightweight and durable case made from 100% brushed aluminum. It offers a low-profile design, a metal handle, felt-lined interior and features shock-absorbing resistance pads along the edges. The TiBook Case is also available in a Clear Case model, which features a top lid composed of transparent fiberglass in order to prominently display your PowerBook. The TiBook Sleeve ($24.95) is a nylon slipcase that offers extra padding on all sides of the notebook to provide protection against shock and scratch damage.