If you're paying for Hertz #1 Gold, Interval Gold can get you that membership for free. I believe Hertz #1 Gold is a $50 value.
The getaway discounts have been mentioned already. Everything else was just a waste of paper IMO. I won't be going Gold again until I see more benefit to it for me. Since I don't use Getaways and don't have a desire to be a Hertz #1 Gold member (I find better rates with Thrifty, Dollar et... and their prefered membership is FREE), it's a waste of my money.