Picture by Daniel Boud DREAMS Vivid Live, Sydney Opera House, May 29 Daniel John and Luke Steele are having a pretty fab time with their long-mooted collaboration, the two-man, electro-pop, audio-visual, hyphenate’s dream, Dreams. This enjoyment is its primary calling card and certainly the reason why Johns, whose discomfort with public performance is well known, has been to Coachella and now the Opera House. For this night Johns arrives dressed as a member of early Roxy Musi