It could have been the premiere of a summer blockbuster. People waited as long as an hour to tour the first Glidehouse, a modern, prefabricated home recently on display at Sunset . One man went through the line six times. Another person said, "I liked the design so much, I wanted to go home, burn my house down, and start over." Find out what the buzz is about, and how you can get a surprisingly affordable Glidehouse of your own.