I bought a used 360 from a pawn shop a couple of weeks ago to replace my dying 360. My old one has a mfr. date of 2007 and the one I just got has 2010. I'm itching to flash my new drive but am wondering if the RROD was fixed, or at least lessened, with the newer models. Reason I ask is the one I bought has a 30 day warranty so I'm wondering if I should wait till that expires before opening it up. Any thoughts??