[Foursquare's Dennis Crowley. Photos via RandomNightOut]. Last night, A Midsummer Night's Obliterati offered a break from the dog days in the backyard of Sweet and Vicious. Enjoying Nolita's warm summer evening with "Jargaritas," or jugs of margaritas (what a wonderful idea), and some of new media's usual suspects, the crowd smiled for the frequent and popular series event which always makes for a festive happy hour and break from, you know, the world. But how did it compare to Gawker's rooftop party?