The PlayStation 3 motion controller's actual launch date is still shrouded in multiple layers of mystery, but when it finally does make it to market, Sony Worldwide Studios boss Shuhei Yoshida wants to assure you that you won't be needing to purchase two wands for any games -- at least at first. All launch titles will work with just one motion controller and camera, but there will be some options for those wanting to dual-wand -- "experiences will be enhanced if you purchase a second," he said. That does leave open the possibility of future titles mandating a dual-wand setup -- we wouldn't be surprised if some s
