http://www.edmunds.com/insideline/do/Drives/FullTests/articleId=125955 --- Bruised and bloodied, Jaguar's fate now rests in the hands of Indian automaker Tata. The only certainty of its future is that it is uncertain. Now forget about all that. Turn your attention to the product, which is ultimately the most critical aspect of an automaker's success. Here we have the 2009 Jaguar XF Supercharged, purportedly ready to do battle with the big German sedans like the Audi A6, BMW 5 Series and Mercedes-Benz E-Class, cars that know the luxury sedan game. Only time will tell the story of Jaguar as it enters the next phase of its existence, but we can peek a few pages forward simply by testing the fruits of its labor.