RoseLee Goldberg amazed with PERFORMA 05, billed as the city's first biennial of 'visual art performance.' Working with a tiny staff, a shoestring budget and no institutional affiliation, Ms. Goldberg put together a program that covered a lot of aesthetic bases--old school, just out of school, high-tech, no-tech--and encompassed more than 60 scheduled events... all of which makes the prospect of PERFORMA 07 shine with promise. --Roberta Smith,...