We are blessed with a ton of great courses within 1 hr from my home, but I would have to say the best course is The Straits course at Whistling Straits. It is about $350 plus tax and caddie gratuity. So at over $400 to play it is a once every 5 years type of course for me.
http://www.destinationkohler.com/golf/ws/ws_index.html