Apple said the new iPad mini that it announced today will be available to pre-order starting at a quite specific time on Wednesday: 10:10 a. m. Pacific Time. Apple invited selected tech reporters and content creators to an experience in Los Angeles on Wednesday at 10 a. m. Pacific Time. Bloomberg ‘s Mark Gurman believes Apple will kick off the experience by playing a short video unveiling the rumored MacBook Pro with a touchscreen , and then start taking pre-orders immediately afterward. In other words, the video should be around 10 minutes long, and this would explain why pre-orders for the new iPad mini and likely the MacBook Pro with a touchscreen are set to begin at exactly 10:10 a. m…