Good experience, just make sure you join fastlane and add the number to your reservation. It will save you a lot of time in line and no insurance or upgraded car pushes. It's free on their website.
You check in at the desk, go across the street and get your key, get in the car and go. WIth fast lane, check in was less than 10 minutes incuding waiting time( about 20 people in regular line- I walked up and got the next free clerk with my fast lane reservation).