BlackBerry’s wryly jovial CEO Thorsten Heins spent quite a bit of time talking up the new mid-range Q5 at this morning’s BlackBerry Live keynote address, but the folks in Waterloo may be working on a follow-up smartphone that’s staggeringly different than the one we saw today. According to a report fromKnowYourMobile, the struggling Canadian company is working an all-touch BlackBerry smartphone with a 5-inch display.