I'm not a tin-foil-hat-wearing alarmist by any means, but I would never trust a study put out or sponsored by any government organization. The 2nd link looks more believable.
You're right, though. Resale will be tough, and that's always something you want to think of when buying a house. Even if you don't intend to ever leave, eventually someone will have to sell it on your behalf. Also, the pesticide use is a huge deal, especially when you're dealing with pets.