https://www.youtube.com/watch?v=UFpXGoJ3BiI
Here is a video of some FAST laps at Laguna. If it wasn't for the DB limit I could see you hanging with him in your yellow mustang Greg!! At least on pit road!!
Seriously though, I agree with you that it is important to stay within you comfort level on track as it is more fun that way and it can get stressful in the cockpit when you push past that comfort zone. It is okay to work on certain parts of the track and therefore push a little harder each lap but over driving the whole track is usually a good way to go home on the back of the wrecker!!