I don’t focus much on Mac product releases, but something about today’s new Mac Pro introduction surprised me. That big new price gap between the iMac and Mac Pro—the one that used to be smaller, when the standard configuration of Mac Pro started at $2,499 as opposed to the $2,799 Apple upped it to today. Is Apple making room between the iMac and the Mac Pro for another Cube-like entry (which infamously shipped at $1,799 and $2,299…