Reporters I’ve spoken to are saying the Miramax farewell-to-the-past, hello-to-the- future party last Saturday at the Pacific Design Center was some kind of downbeat, desultory affair. It was fine — a spirited, informal, family-type thing. A spunky, slimmed-down Harvey Weinstein said the new company that he and his brother Bob will be launching sometime next fall (after the Disney contract comes to a close in September) will “kick up a lot of dust.” Looking forward….