The strange saga of the CrunchPad is getting even stranger: although Fusion Garage has a press conference scheduled for Monday, the company's apparently been hinting to some members of the press that the split with Michael Arrington was no surprise, and that TechCrunch didn't actually contribute anything of value to the CrunchPad, and that's predictably got Arrington on the warpath. In a post titled "CrunchPad Litigation Imminent," he offers up an email from Fusion Garage CEO Chandra Rathakrishnan and two letters dispatched from his lawyers to both Fusion Garage and would-be CrunchPad