For the past three days, all eyes have been on IBM's $2 billion PC unit. But what about IBM's "other" businesses, like IT services? InternetNews.com hints that a major announcement could be on tap this week involving IBM and the New York Stock Exchange: "It is most likely a combination of software, supported by IBM's vaunted Global Services division (IGS), to ensure that the NYSE's electronic practice runs at a constant." The piece provides a glimpse of IBM's push into service-oriented architecture (SOA), noting that the company is ready to defend its leading position in the financial services vertical, notwithstanding the increased competition from Sun.