Those expecting that a finance magazine might be the most expensive in the world can rest easy, it's not; instead, that prize is claimed by an obscure watch magazine. Why do you need to know that? Because, when it comes to the evergreen debate on complexity, there's a new entrant for those structured products ' aficionados' who have spent entire careers talking about cars. Whereas the structured products world has revelled in describing the complexity of its financial instruments as comparable