I'd have to echo what you've heard here, go with the Coleman tent. I have found their gear to be a little heavy, but, well constructed for the money. If you're going to spend a lot of money for lightweight, high quality backpacking gear, you can find better equipment, but, you're paying a real premium.
I'm assuming when you say "family camping", you're talking about basically tailgating, right? Drive up to the site, empty out half the house from the back of the SUV?

We have a big Coleman family tent that we call "the condo". It's for when my wife comes camping with us. We've had it for over 10 years now. It doesn't get real heavy use, but, multiple trips a year certainly. Still sheds the rain fine and keeps the bugs out.