I've always had good luck with safelite. My theory is that its not always the corporation, it's the people who work in the individual stores. It doesn't matter what the service is. There are 3 Denny's restaurants within 5 miles of my house - and I will only go to one of them. The service sucks at the other 2.
That said, some people hate Denny's based on one bad experience and will never set foot there. That doesn't mean they are all bad...and yes I know there's a big difference between a Lumber Jack Slam and the roof of your 4Runner looking like a lumber jack slammed it when replacing the windshield on your pride and joy.
But I digress.
I've had several windshield chips repaired - not on the 4Runner though. The repair is pretty straight forward...I've gone through "Mom n Pop" places as well as Safelite with success and the quality of the job was fine either way. No matter who you go with just get it done as soon as possible. It's easier for them to work with a fresh chip and the chances of success are much better.