The folks at TechRestore have started offering a stainless steel hinge replacement for titanium PowerBooks.
The $349 part is is "over 50% stronger than the standard hinges and offer the ultimate in protection against future failures."
The price includes a pre-paid box sent to your door that you drop your PowerBook in, ship it to TechRestore, and the cost of overnight shipping to return the PowerBook to you. Total turn around time is no more than four days, including shipping.
The steel hinge comes with a 6 month warranty; a 30 day refund is also offered. Customers looking for a more affordable hinge replacement solution should check out TechRetoreis standard $299 hinge replacement service.