How Far Is Too Far?

Whether it's the Bentley GTZ Zagato or the Bugatti Veyron fbg par ridonkulous, Geneva has become a reminder that excess isn't in short supply these days. When do we go from autos that push the line, like the Brabus Bullit Black Arrow, to crossing the line, like the Fab Design Benzes? Is it the paint? Is it the body kit? Is it everyone's need to use 16 kinds of leather? We're not fond of jewels.

And if you want to deny the premise, as many of you are want to do, may we remind of you of the Snakeskin Porsche Cayenene. Where's that line?