Nice package. -- Of Montreal: Someone was talking of this art-rock outfit the other night -- quite controversially, in fact -- and we thought that they were talking about the city in Canada. Because we're old. Of Montreal goes on tonight with Grand Buffet and MGMT at 9 p.m. at Great American Music Hall; $18. (They also perform tomorrow night and on Wednesday; the kids just love them that much, you see.) -- Donuts:......