Can someone clear something up for me? I've read a lot of conflicting information regarding the processors and ram in the new iMacs. Here's what I've read so far - The 21.5'' models use notebook processors, and only have 2 RAM slots maxing out at 8gb. The 27'' models use desktop processors, have 4 RAM slots maxing out at 16gb. Now, can anyone confirm if this is correct? Or how much of it is wrong? Thanks!