scott there are ways around that. the APR chip has different modes you can set it in. basically its like storing 4 different chips in your ecu at the same time, and you can switch between programs using your cruise control stalk. you could have a chip in the car and your dealer would never know the difference. for some cars they can flash the ecu through the obd2 port so the physical chip is never even changed, just the programming in it. completely undetectable. if you would like to know more, I'm very good friends with the owners of APTuning in lebanon pa. just give them a call at 717-272-0916 tell them chris sent you and ask about what they can do for chips for you. even if you dont have it done there, they can at least educate you about whats available and what makes your cars warrentee void or not.
also, unless its warrentee work never deal with the dealer, they WILL rape you on parts, labor, and usually half ass the work anyway. ill try to find out who a good tuner shop is in your area.