Okay, first newb with iMAC question. Have been running Ubuntu on PC for number of years, and bid on auction for iMAC in support of St Jude's Hospital and ended up winning the auction. Still have not received it, but can't wait! Now, to my question, as I understand it the iMAC does NOT come with a drive. So, will the SUPERDRIVE work with the iMAC? Some folks have said YES and others NO. Want definitive answer before I order. Oh, and second question, what do folks use in the way of USB expansion? I know the iMAC that I won, uses USB 3.0 and the four slots are NOT easily accessible.