The first NYC edition of the PGA's `Produced By' confab launched this morning with a conversation between former PGA president and producer Hawk Koch and Nightcrawler's Jake Gyllenhaal, also in town prepping for his Broadway debut in the Manhattan Theatre Club production of Constellations. Pointing out that Gyllenhaal already is a certified film star (with an Oscar nomination for Brokeback Mountain behind him all the way up through his "amazing performance" in Nightcrawler…