Apple Computer Inc. (AAPL) could unveil a Macintosh computer running on Intel Corp. (INTC) chips as early as the first quarter of 2006, according to American Technology Research. Shaw Wu, an analyst at American Technology, said in a research report issued Dec. 9 that one of Apple's computers, based on Intel's architecture, could be available in the first quarter, ahead of expectations. "We believe products that will likely move to Intel first include current PowerPC G4-based Macs, including PowerBook, iBook and Mac mini, and its Xserver G5 enterprise server, arguably weaker members of its product line that would benefit...