"Not necessarily," Rodney tells Ianto. "If I were trying to keep advanced technology out of the hands of the plebeian masses, just having it and being a super-high-tech terrorist would probably be enough. But--well--"

He pauses. Reevaluates. "Okay, maybe." It's a grudging maybe, but still a maybe. "Not important enough to try and take with, but still important enough to hide."

Which means they need to go trudging through a junkyard? Great. Then they absolutely need to have some sort of tracker because he's not just going to dig. He purses his lips as he listens to John's plan of attack, already composing a shopping list in his head before that derails and he demands, "Not friendly. What do you mean not friendly? What kind of not friendly?"

There's the 'not friendly' he's already experienced being ejected from Nadril and the dramatic understatement 'not friendly' that usually ended in a hail of bullets that he was more used to than he really wanted to be.