I watched two streamers (On one stream) last night trying to beat the strike in under 10 minutes. They were at 10:17 when I had to leave. They were using some exploits Bungie should know about. First they were running 3 Warlocks with Nova bombs. When you first meet the Boss and he was about to die two players would jump on the platform where he first appears all the way to the left as you look at it. As they fell they were able to jump to a high place (Out of the map) above the area where the third player would fall normally. There they could shoot without being seen by the Boss. They also found a way to be up high for the last phase but I missed how they got there. They also had unlimited grenades. Also one of them could stand on the steps that lead to the water and the Boss would never shoot at him.