I STILL want to reiterate that there ARE Best Buys and Good Guys with competent installers. My entire system has been installed at a Circuit City by a buddy of mine, and i've seen the quality of their installs in other cars. It all depends on the manager. Though your odds are better at a specialized install shop, they aren't that much better in a lot of cases. I have had just as many bad experiences at install shops than i have a best buy's. It's not that hard to determine if the people know theire shite or not. Just ask them a few questions, and if they are elusive, try to sell you something else, or just don't know what they are talking about, walk away.