Get it on: Amazon
The noblechairs EPIC Series Real Leather Gaming Chair is the most luxurious racing style chair on the market. It has all the bells and whistles you'd expect from a $500 chair. It's soft as a dream, incredibly adjustable, and has some pretty excellent support, although it may not be great for shorter people.
If you're looking for the absolute best racing style PC gaming chair out there, it's noblechairs EPIC Series.