Ars Technica reports that Parallels Desktop has made its way into retail Apple stores. “In a phone conversation this morning, a company representative stated that Parallels’ desktop software has been made available in at least some Apple retail stores as early as this past Saturday, July 15th. The representative also noted that sales were going extremely well with the SoHo Apple store in NYC selling out of the boxed product on the same day it hit the shelves. More …