Hello All, According to the Ars Technica review of the 2012 iMac, the 27" model has 7200 rpm HDDs standard as opposed the 21" model that has only 5400 rpm drives. Can anyone verify this? I'm trying to decide if it's worth spending the money to go pure SSD (storage space really isn't a concern), or going with a Fusion Drive since it's basically the best of both worlds. However, because the capacities are so large I want to make sure I get a fast drive to go with the SSD. Can anyone validate the 27" drives are 7200 rpm? Thanks!