Microsoft executives faced a barrage of Apple-related questions during that company’s annual shareholder’s meeting last night, while disappointed Dell revealed net income decline of 54 percent, year-on-year.Dell announced $12.9 billion in revenue (down 15 percent y-on-y) for net income of $337 million. The company blamed its results on poor public sector sales and a consumer move to favour cheaper Dell PCs. All told, disappointing results for Dell.Dell Chairman and CEO, Michael Dell, noted his expectation that his company may profit from the long-awaited PC replacement cycle on the release of Windows 7, saying, “I think there is an aging installed base for sure. You just have an accumul