keywords: nintendo sony tokyo handheld pricing
text: Nintendo, Sony Square Off in Handheld Game Market  TOKYO (Reuters) - Japan's Nintendo Co. Ltd. struck the  first blow in what is set to be an all-out war with Sony Corp.  for the lucrative handheld game console market, aggressively  pricing its new dual-screen model at \$149.99 and setting its  U.S. launch date for Nov. 21.