If you don't like geeking out, unabashed fandom or good music, stop reading now. Anyone else, please forge ahead. It's no surprise that I'm stoked for this weekend's appearances by Chris Stamey and Peter Holsapple. But why is this such a big deal? Roy touched on this in his story, but these two men basically were in a band that perfected modern power-pop. "Neverland":Featuring drummer Will Rigby, bassist Gene Holder and singer/guitarists Peter Holsapple and Chris Stamey, the dB's criss-cros