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My '08 was built just a few weeks before the redesign of the heads.
My car only had about 12k on it, so I wasn't too worried about the plugs breaking, though I was still cautious and took my time.
I sprayed PB Blaster around the plugs and let it sit for about 1/2 hour. I gently removed them, and was lucky that none of them broke. The plugs had some carbon build-up on them, but not that much, due to the low mileage.
I installed a new set of Champions from Rock Auto--so far, so good.