I'm not sure what was more revelatory about last night's "Project Runway": Was it realizing designer Kara Janx's stuff looks familiar because I once won a pair of her spanky undies at a fashion party in the East Village? Or that staid, businesslike Banana Republic would take a chance on a hip "day-to-night" ensemble for its spring collection (left)? Nah, it's definitely the underwear thing. That is just weird.