Production goes into overdrive for Christmas...Nintendo has claimed it is speeding up production of its Gamecube console in the US. The company now hopes to ship 1.3 million boxes by the end of December. The 200,000 increase will up the pressure on Microsoft's Xbox and Sony's Playstation2. Sony is still holding onto first place in the console sales battle, according to the Financial Times. November and December make up the lion's share of console sales.